Which number cannot be a value of y if y=2xsquared - 3? 15 5 - 3 or-5

An 80-pound bag of concrete mix will yield 0.6 cubic feet of concrete. Each bag costs $4.98. An artist wants to make a concrete sculpture consisting of three cubes, one on top of the other. The cube at the base will be 3 ft x 3 ft x 3 ft.

jaime bought a jar of 50 vitamins. his two children each take one vitamin each day. the number of vitamins left in the jar after x days is represented by the function f (x) = 50 - 2x. Graph the function and explain what each intercept represents

A bottle of orange juice hlds 4/6 quart of juice. A bottle of pineapple juice holds 2/3 quart of juice. Which bottle has more juice? Hoe do you know?

Stock worth $40 a share dropped in value by 10% on Monday. Then, it dropped again by $10 the next Tuesday and, finally, increased by 45% the following Friday. What was the final price of a share?

A new exhibit at the local Zoo contains 12 ostriches. This is for more than twice the number of elephants. How many elephants are in the exhibit?

A theater seats 496 people. Of all 8 performances to a play sell out, how many people will see the play?

Marc commutes to work on his bicycle, which has tires that measure 26 inches in diameter. A device on his bike informs him that one tire completed 388 full rotations between the time he left his house and the time he arrived at work.

In attempting to solve the system of in equality y = 3x - 2 and x - 2y = 4, John graphed the two equations on his graphing calculator. Because he saw only one line, John wrote that the answer to the system is the empty set. Is He correct?

Estimate the area of the circle with radius r = 9.6. use? = 3.14. round to the nearest hundredth, if necessary.

If Ubehebe crater in death valley has a diameter of a little more than half a mile. How long will it take if your going 2 miles per hour