What is a good logarithm calculator For apple devices. Would be helpful!!

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?

Ke’ajah has a coupon for 1/3 off the regular price, t, of a tent. which expression represents the price of the tent using the coupon? select the two correct expressions. a. 1/3t b. 2/3t c. t - 1/3 d. t - 2/3 e. t - 1/3t f. t - 2/3t

Eden has a part time job. she is paid ? 7.20 an hour the week she worked 18 and a half hours how much is she paid