Find the simple interest when the principal is $2150 with a 6.5% interest rate for 5 years

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

Amovie streaming service charges it’s customers $15 a month. martina has $98 saved up. will she have any money left over if she pays for the maximum amount of months she can afford? explain.

True or false: the graph of y=f(bx) is a horizontal compression of the graph y=f(x) if b< 1