A water balloon is catapulted into the air so that its height, h, in meters, after t seconds is h(t) = -4.9t^2+ 27t + 24.

a) How high is the balloon after 1 second?

b) For how long is the balloon more than 30 m high?

c) What is the maximum height of the balloon?

The level of co2 emissions, f(x), in metric tons, from the town of fairfax x years after they started recording is shown in the table below. x 2 4 6 8 10 f(x) 26,460 29,172.15 32,162.29 35,458.93 39,093.47 select the true statement.

Arianna is buying plants for her garden. she buys 15 flowering plants for $96. pink flowering plants sell for $8, and purple flowering plants sell for $5. how many pink flowering plants did arianna buy? i figured out the answer! the answer is 7. 8x +5y = 96 plug in 7 for x 8 (7) + 5y = 96 56 + 5y = 96 subtract 56 from both sides 5y/y = 40/5 y = 8 she bought 7 pink and 8 purple plants

The vertices of a triangle are a(7.5), b(4,2), and c19. 2). what is