In ΔABC, the measure of ∠C=90°, AC = 56, BA = 65, and CB = 33. What ratio represents the sine of ∠A?

I’ve been trying all day to figure this puzzle out. i need the work for it aswell. it is a factoring polynomials tarsia. the image is below.

The party planning committee has to determine the number of tables needed for an upcoming event. if a square table can fit 8 people and a round table can fit 6 people, the equation 150 = 8x + 6y represents the number of each type of table needed for 150 people.

Which of the following is closest to 32.9 x 7.5? a: 232 b: 259 c: 220 d: 265