Answer each of the questions below. Be sure to show all steps and calculations where
appropriate.
1. The amount of food energy required by a busy courier is given by the formula
E = -125T + 15250. E is the amount of food energy in kilojoules. T is the outside
temperature in degrees Celsius. Find the outside temperature when each of the following
amounts of food energy is required.
a. 10250kJ
b. 12500kJ

Imogene invested $8,000 in a bank account that pays 8 percent simple interest at the end of each year. her friend invested the same amount in stocks where the growth of the investment is represented as 2,000 times the square root of 2 less than the time lapsed in years. if y1 and y2 represent the amount earned in dollars and t is the time lapsed in years, which system of equations correctly represents the situation?

Given that ot =5, xt=12, and ox= 13 is xy tangent to circle o at t? explain.

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?