After buying school lunch, Terry has $4.40 left. If school lunch costs $2.50, how much did Terry have before he bought school lunch?

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

Match the scale and the actual area to the area of the corresponding scale drawing. scale: 1 inch to 4 feet actual area: 128 square feet scale: 1 inch to 7 feet actual area: 147 square feet scale: 1 inch to 8 feet actual area: 256 square feet scale: 1 inch to 5 feet actual area: 225 square feet area of scale drawing scale and actual area scale drawing area: 3 square inches arrowright scale drawing area: 8 square inches arrowright scale drawing area: 4 square inches arrowright scale drawing area: 9 square inches arrowright