Hannah can paint a room in 9 hours. destiny can paint the same room in 15 hours. how long does it take for both hannah and destiny to paint the room it they are working together?

There are 40 girls and 32 boys who want to participate in 6th grade intramurals. if each team must have the same number of girls and the same number of boys, what is the greatest number of teams that can participate in intramurals? how many girls and boys will be on each team?

Which digit in 2,375,699 has a value that is 10 times greater the value of the first digit to its right? a.6 b.7 c.3 d.5

Sharina simplified the expression 3(2x – 6 – x + 1)2 – 2 + 4x. in step 1 she simplified within the parentheses. in step 2 she expanded the exponent. which is a possible next step