22) The parents of a college student set up an account for her with an inital deposit of
$5,000. They set up automatic deposits of
$100 per week.
Write and solve an equation to determine
how much money the student will have
after 15 weeks.

What is sin 7x/4 ? i need on this urgent trig

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cot of 61.6