Alyssa started hiking at an elevation of 1500ft. After 2 hours, she was at 1200ft. Which integer desceibes her change in elevation?

A) 300

B) - 300

C) 285

D) not enough info.

Rewrite the set Q={x|x is an integer and - 3

You go to a Halloween fair with a big Ferris wheel. The wheel has ten seats, and two people are placed on each seat. Every minute a seat passes by the exit platform. At 11 a. m. the Ferris wheel opens for 30 minutes.

X + 8 = 10 solve by subtraction

Geoff planted dahlias in his garden. Daliahs have bulbs that divide and reproduce underground. In the first year, Geoff's garden produced 6 bulbs. In the second year, it produced 12 bulbs, and in the third year, it produced 24 bulbs.

R/12=1 9/10 Solve for R.

An object that weighs 150 pounds on earth weighs only 56.55 pounds on Mars. The same object weighs only 24.9 pounds on the moon. What percent of an objects earths weight is its weight on mars and the moon?

Find the slope of the line whose equation is 3x+6y=9. How do I solve this?

Eva wants to make two pieces of pottery. She needs 3/5 pound of clay for one piece and 7/10 pound of clay for the other piece. She has 3 bags of clay that weigh 4/5 pounds each.

Write an equation for "the value of m times the value of n"

X=2/3y-1 solve for Y