This year cornell’s class took one more than three times as many field trips as last years class. this year cornell’s class took a total of 7 trips. how many trips did his class take last year

Diane’s bank is offering 5% interest, compounded monthly. if diane invests $10,500 and wants $20,000 when she withdrawals, how long should she keep her money in for? round to the nearest tenth of a year.

Which function has an inverse function? a.f(x)= |x+3|/5 b. f(x)= x^5-3 c. f(x)= x^4/7+27 d. f(x)= 1/x²

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if