A hiker descended 2.23 ft every hour for 3 h. What is the change in the hiker's altitude?

Use a positive or negative number to express the change in the hiker's altitude.

For every three dollars that Ken spent at the fair Myles spent five dollars. If ken spent twenty seven dollars at the fair how much did Myles spend?

Simplify the following expression. (-2+I) (3-6i) -9i 15i -12 + 15i -12-9i

Each student gets 35 craft sticks to make an art project. the art teacher has 7140 craft sticks. there are enough craft sticks for how many teachers?

One day, I decide to run to the park. On the way there, I run at a rate of x^2 miles per hour for 3 hours. On the way back, I take the same path and jog at a slower rate of 16 - 4x miles per hour so that it takes me 4 hours to get home.

Which polynomial is factored completely? A. (4x+4) (x+1) B. 3n4 - 15n3 + 12n2 C. 121x2 + 36y D. 2x (x2-4)

Witch symbol makes 6 15/28 6 5/9 a true sentence A. C. = D.*?

Solve the literal equation - cy + 8 = 4d - 3y for y.

Increase 750 g by 20%.

How to multiply 30 and 68 equally

Which formula can be used to find the nth term in a geometric sequence where a1=3 and r=2?