Simplify the expression 2√ 20 − 3√ 7 − 2√ 5 + 4√ 63 . a. 2√ 20 − 3√ 7 + 4√ 63 b. 2√ 5 + 9√ 7 c. 2√ 20 − 3√ 7 − 2√ 5 + 4√ 63 d. 2√ 20 − 4√ 7 − 2√ 5

Simplify √20 to 2√5

2 * 2√5 - 3√7 - 2√5 + 4√63

Simplify √63 to 3√7

2 * 2√5 - 3√7 - 2√5 + 4 * 3√7

Simplify 2 * 2√5 to 4√5

4√5 - 3√7 - 2√5 + 4 * 3√7

Simplify 4 * 3 √7 to 12√7

Collect like terms

(4√5 - 2√5) + (-3√7 + 12√7)

Simplify

2√5 + 9√7

B

there will be 35 boys in each team. : )

option 1

data plot with   3 dots over 33, 1 dot over 34, 2 dots over 35, no dot over 36, 1 dot over 37, 2 dots over 38, 4 dots over 39, and 2 dot over 40.