Lyle bought 3/8 pound of red grapes and 5/12 of green grapes. how many pounds of grapes did he buy ?

Tiffany drives 285,120 feet before lunch and 628,320 feet after lunch. about how many kilometers does she drive all together

Suppose your school costs for this term were $4900 and financial aid covered 3/4 of that amount. how much did financial aid cover? and how much do you still have to pay?

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?