If their are 19 girls and 15 boys in class . what is the ratio to boys to girl if 3 girls go to the bathroom

If 20% of a number is 35, what is 50% of that number?

What is the interquartile range of this data set? 2, 5, 9, 11, 18, 30, 42, 48, 55, 73, 81

William invested $5000 in an account that earns 3.8% interest, compounded annually. the formula for compound interest is a(t) = p(1 + i)t. how much did william have in the account after 6 years? (apex)