A community service group organizes a car wash that raise 7c- 18 dollars and a spaghetti dinner that raise 6s- 45 dollars which equation below represents the total amount of money raised

7c + 6s - 63

Step-by-step explanation:

add -45 and -18 to get -63

and add the others on because they can't be added or subtracted onto anything.

according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

step-by-step explanation: