H(t) = -16t^2 + 110t + 5 during what time interval did the projectile reach an altitude of at least 135 ft?

Ngrid mixes 3.6 pounds of almonds with some raisins to make a trail mix. she divides the trail mix into 12 equal portions. each portion weighs 0.7 pound. how many pounds of raisins did she use to make the trail mix? express the answer to the nearest tenth.

Divide the following fractions 3/4 ÷ 2/3 1/2 8/9 9/8 2

There are 15 plates and each plate is either 7 or 12 inches diameter. which systems of equations do you use to find the number of 7 inch plates, x and 12 inch plates, y