Betty has 10 more dimes than quarters. if she has $3.45, how many coins does she have?

how many dimes? how many quarters

Me! 50 points! why does when we come home, our door is unlocked and there is grease on the door knob, me solve this , and i don't know what category this goes under

Which represents the solution set of the inequality 5x-9 < 21? a. x < 12/5 b. x > 12/5 c. x > 6 d. x < 6

The given diagram shows the parts of a right triangle with an altitude to the hypotenuse. using the two given  measures, find the other four.