Fireworks are fired from the roof of a 100 foot building and travel 84 feet per second. The equation h (t) = -16^2 +84t + 100 models the height (h) of the fireworks at any given time (t) seconds. How long are the fireworks in the air?

Dakota earned $7.50 in interest in account a and $18.75 in interest in account b after 15 months. if the simple interest rate is 4% for account a and 5% for account b, which account has the greater principal? explain. to make it a little easier, there is an image. good luck!

Divide. write in the simplest form. 4 1/6 divided by 10

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.