Will give brainiest answer if answered ! a model rocket is launched with an initial upward velocity of 45/ms. the rocket's height h (in meters) after t seconds is given by the following. h=45t-5t^2 find all values of t for which the rocket's height is 20 meters. round your answer(s) to the nearest hundredth.

Acamper leaves camp on a kayak and travels 50 miles east on a river, then he ties his kayak to the bank and travels 20 miles north on a bicycle. this trip can be plotted on the coordinate plane, where the camp is the point (0, 0). the distant of the camper to the camp can be found using the distance formula. which other formula can he use? a) 502 - 202 b) 502 + 202 c) 502 - 202 d) 502 + 202

Question 3 of 30 paul buys fruit to make smoothies. he buys 3.78 pounds of apples, 2.12 pounds of peaches, and 4.45 pounds of oranges. paul rounds each weight to the nearest tenth of a pound. about how many pounds of fruit did paul buy? (a) 10.5 pounds (b) 10.2 pounds (c) 10.4 pounds (d) 10.0 pounds 30 points

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?