Evaluate |2b - 5| + 1 if b = 1.

Question 19 options:

a)

-2

b)

4

c)

-8

d)

2

If a and b are the measures of two first quadrant angles and sin a = 4/9 and sin b = 2/5 find sin(a+b).

In trapezoid efgh, m∠gfe=63∘. identify m∠ghe. !

Choose the number sentence that shows the identity property of addition. a. 122 = 61 + 61 b. 62 = 1 + 61 c. 61 = 0 + 61