In a high school graduating class of 100 students, 54 studied mathematics, 69 studied history, and 35 studied both mathematics and history. if one of these students is selected at random, find the probability that:

A conveyor belt carries supplies from the first floor to the second floor, which is 15ft higher. The belt makes a 60degree angle with the ground.

An auditorium has 15 rows with 10 seats in the first row, 12 in the second row, 14 in the third row, and so forth. How many seats are in the auditorium?

What is the multiplicative rate of change for the exponential function f (x) = 2 (5over2) - x?

Jeffrey opened a savings account with $15,000. His annual interest rate is 4.8%, and his interest is compounded quarterly. How much is in Jeffrey's account after 7 years? interest compounded quarterly: A = P (1 + ) 4t

Assuming boys and girls are equally likely, find the probability of a couple having a baby boyboy when their sixthsixth child is born, given that the first fivefive children were all boysall boys.

What is the answer to 7 y - 1 equals 5 y + 9

3. If 14 is 35% of a value, what is that value?

A school brought 32 new desks. Each desk cost $24. Estimate how much the school spent on the new desks

Evaluate the expression 1/3^-2

What time is it if it is 40 minutes after 7:30?