Solve for w:
A=2lw+2lh+2wh
w=

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

Emily is entering a bicycle race for charity. her mother pledges $0.90 for every 0.75 mile she bikes. if emily bikes 18 miles, how much will her mother donate?

Solve for n. round to the tenths place, if necessary. 14.2 cups of flour6 loaves of bread= 20 cups of flour n