Kevin had $15 with him. his mother gave him $10 and his father also gave him some money. after this, he had a total of $37 with him. how much money did his father give him?

step one: write an equation with a variable, tell me what the variable represents

step two: solve your equation and show all the steps!

christopher is 272,195 year old

step-by-step explanation:

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.