scars for mathematics, physics and biology in a school are in the ratio 6 : 7 : 8. There is proposal to increase these seats by 40%, 50% and 75% respectively. What will be the ratio of increased seats?

The probability that a college student belongs to a health club is 0.3. the probability that a college student lives off-campus is 0.4. the probability that a college student belongs to a health club and lives off-campus is 0.12. find the probability that a college student belongs to a health club or lives off-campus. tip: p(a or b) = p(a) + p(b) - p(a and b) 0.54 0.58 0.70 0.82

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

Reinel saves 30% of every pay check. his paycheck last week was 560$. how much did reniel save last week?