The plot shows the target heart rates for men 20-40 years old and men 50-70 years old Whitehall statement is best supported by the information in the box plots

7

step-by-step explanation:

the answer would be 7

a.

step-by-step explanation:

step 1 distribute 2 to every term in the parentheses

step 2 add 10 on both sides of the equal sign

answer:   x = 3 + √11     and     x = 3 - √11

step-by-step explanation:

x² - 6x + 9 = 11

(x - 3)² = 11

x - 3 = ±√11

    x = 3 ± √11

x = 3 + √11     and     x = 3 - √11

investment b is an ordinary annuity with $3,909.64 in the account after one year.

step-by-step explanation: