Mark the sums of the integers as either positive or negative. -8+(-9)
7+(-3)
5+(-12)
-12+15

Find the amount in a continuously compounded account for the given condition. principal: $1000, annual interest rate: 4.8%, time: 2 yr

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)