An overseas phone call is charged at one rate (a fixed amount) for the first minute and at a
different rate for each additional minute. if a 7 minute phone call costs $10 and a 4 minute
phone call costs $6.40, find each rate.

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

Question 1 of 10 2 points different groups of 50 graduates of an engineering school were asked the starting annual salary for their first engineering job after graduation, and the sampling variability was low. if the average salary of one of the groups was $65,000, which of these is least likely to be the average salary of another of the groups? o a. $64,000 o b. $65,000 o c. $67,000 o d. $54,000

At your job you're paid $50 per week plus $3 per sale at least how many saled do you need to make in order to have over $250