Question

Answer 10 and 13 for me plz

Answer 1

10]
-5a/7 × (-7) = -5a × (-1) = 5a

13]
9 × 3 - 4² = 27 - 16 = 11

3² + 2² = 9 + 4 = 13

(-9 × 3 - 4²)/(3² + 2²) = 11/13

Answer 2

10. -5a/7 * -7/1 = 35a/7 = 5a

13. (9 * 3 - 4^2) / (3^2 + 2^2) = (27 - 16) / (9 + 4) = 11/13