The class has 25 regular participants. Each participant uses 4 weights. Aaliyah writes the expression 4(25 – n) to represent the number of weights needed if n regular participants do not come to class. The gym manager represents the number of weights needed with the expression 100 – 4n. What information does each expression tell you? Explain your reasoning.​

If sec theta = 5/3 and the terminal point determined by theta is in quadrant 4, then

Someone answer this asap for gabriella uses the current exchange rate to write the function, h(x), where x is the number of u.s. dollars and h(x) is the number of euros, the european union currency. she checks the rate and finds that h(100) = 7.5. which statement best describes what h(100) = 75 signifies? a. gabriella averages 7.5 u.s. dollars for every 100 euros. b. gabriella averages 100 u.s. dollars for every 25 euros. c. gabriella can exchange 75 u.s. dollars for 100 euros. d. gabriella can exchange 100 u.s. dollars for 75 euros.

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?