5. In September 2007, crude oil prices were $50 per barrel. By March 2007, the price had increased to $63 per barrel. What percentage increase was this?

Aprojectile is thrown upward so that its distance above the ground after t seconds is given by the function h(t) = -16t2 + 704t. after how many seconds does the projectile take to reach its maximum height?

Campus rentals rents 2 and 3 bedrooms apartments for $700 ans $900 a month respectively. last month they had six vacant apartments and reported $4600 in lost rent. how many of each type of apartment were vacant?

The value of the expression 16-^3/4 8 1/8 -6 6 1/40 1/64