Plss Helpp !!
Umm... Yea just help thx

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?

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 = _