It took mary 15 seconds to walk 10 feet. how fast was she walking, in feet per second?

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?

Indicate the formula for the following conditions: p^c(n,r)=

Consider this expression and the steps to evaluate it. 4^5(−2)^9/4^8(−2)^3 1. apply the quotient of powers:      (−2)^a/4^b 2. evaluate powers:           c/d select the value of each variable. a = _ b = _ c = _ d = _