1. The amount (in dollars) you earn for working hours is represented by the equation = 9. Make a graph of the equation and interpret the slope.

2. The cost (in dollars) to rent a bicycle. It costs $20 to rent the bike for 4 hours.

a. Write an equation that represents the situation.

b. Interpret the slope.

c. How much does it cost to rent the bike for 6 hours?

Each of the four sides of a swimming pool measures 9 meters. the pool is 5 meters deep. how much water will be needed to fill it completely? a. 45 cubic meters b. 81 cubic meters c. 225 cubic meters d. 405 cubic meters reset next

The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.