Wanda runs a babysitting service. She charges an hourly rate and just earned $37 for 4 hours. Create an equation that models the relationship between the total charge, y and the number of hours, h, worked

Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?

Human body temperatures have a mean of 98.20° f and a standard deviation of 0.62°. sally's temperature can be described by z = 1.4. what is her temperature? round your answer to the nearest hundredth. 99.07°f 97.33°f 99.60°f 100.45°f

If a is a nonzero real number then the reciprocal of a is