The ratio of pencils to erasers is 4:1 if there are 20 pencils how many erasers are there? Kerion has a beaded necklace business she can make 12 necklaces in 2 hours how long will it take her to make 9 necklaces

Match the equivalent expressions. 7x - 8y 7x + y 5 (x + y) + 6 (x - y) (5x - 3y) - x + 3x - 5y 4 (x + y) - 3 (x + y) x - 4x + 6y + (14x - 5y) 11x + y 3x + 3y + 2 (2x - y) 11x - y

An aquarium tank is 1/6 full of water. When 2 gallons of water are added, the tank becomes 1/4 full. What is the total capacity of the aquarium tank, in gallons?

Find the rate of change for the situation. you run in 7 miles in one hour and 14 miles in two hours.

We would like to use the relation V (t) = I (t) RV (t) = I (t) R to find the voltage and current in the circuit as functions of time. To do so, we use the fact that current can be expressed in terms of the voltage.

What is the value of the expression? (5/2) ^2 + 3/4 ^3

What is 17=3x+2y in slope intercept form

Mia is taking art and calculus courses on Mondays. She is late for the art class with probability 0.5 and late for the calculus class with probability 0.4. Suppose the two events are independent.

Fill in the blank 9,15,24,39,63,102,165,_,432,699,1131

Fill in the other coordinate for line 2x-5y=11: (2)

H - 8 = 32 what is H?