After how many seconds is the height 68 feet? When the equation is h=-16t2+64t+8

Which equation can be used to find the surface area of the cylinder? r = 6 cm h = 8 cm S = 2548) 2 + 2 (12) (8) S-2 (6) 2 + 2 (6) (8) S-2 (12) + 2 (12) (8) OS-28 (6) 2 + 2 (6) (8) Mark this and return Save and Exit Next Submit

Admission to a car show cost $5 for each ticket. After selling only 20 tickets, they decided to lower the price to $3 each. If they raise $217, how many tickets did they sell in all?

A ticket to the school dance increases by 20% from the original price. James uses the expression

Fifty students are trying to raise at least $12,500 for a class trip. They have already raised $1,250. How much should each student raise, on average, in order to meet the goal? Write and solve the two step inequality for this problem.

19. Jeremy mowed several lawns to earn money for camp. After he paid $17 for gas he had $75 leftover to pay towards camp. Write and solve an equation to find how much money Jeremy earned mowing lawns.

In a lab experiment, the decay of a radioactive isotope is being observed. At the beginning of the first day of the experiment the mass of the substance was 1100 grams and mass was decreasing by 10% per day.

Solve for x, assuming a, b, and c are negative constants. (ax + b) / c ≤ b

6 Isabella paid a $50 initiation fee to the gym. Each month she pays $25. Write a linear equation that shows how much Isabella spent, y, at the gym in x months.

Nicole has $120. if she saves $20 per week, in how many days will she have $500?

How many triangles form by the diagonals from a fixed vertex has 11 12 13 14 15 sided polygon