A smart phone is 149.99 the tax on the smart phone is 7% what is the total cost of the smart phone after the tax is added

The value of x decreased by 80% is y and the value of x increased by 200% is z. What is the value of z-y?

Sara made a few cookies and divided it equally among 2 friends and her mother, Anne. While baking, the family dog ate 3 cookies the group realizes they have only 6 cookies at present. Find how many cookies Sara made in all.

2 (3-x) - 12+4x. Hhdhdhdhhdhdhdhdhdhdhd

Two functions, A and B, are described as follows: Function A y = 8x + 3 Function B The slope is 1 and the y-intercept is 4. How much more is the slope of function A than the slope of function B?

Kevin and randy muise have a jar containing 28 coins, all of which are either quarters or nickels. the total value of the coins in the jar is $nbsp 4.00. how many of each type of coin do they have?

Which best describes a way in which Naturalism differs from Realism? A. Characters are idealized. B. The effect of society and heredity on character is explored. C. The importance of nature is emphasized over that of humanity. D.

Find the equation of the line that cuts the y axis at y=-9 and whose slope is 1/7.

Math is often used to determine the correct dosage for medications; create scale drawings; graph data from scientific investigations. Given this information, what conclusion can be made about mathematics? A.

A car is 200 km from its destination after 1 hour and 80 km from its destination after 3 hours.

Consider the equation x-3=5. a. Multiply both sides of the equation by a constant, and show that the solution set did not change. Now, multiply both sides by x. b. Show that x=8 is still a solution to the new equation.