The drawing shown contains the intersection of two lines.
The measure of ∠1 =20x+21 and the measure of ∠2 =30x-29.
a. Write an equation to determine the measures of both angles.
b. Determine the measures of both angles. Show your work.

This race was first held in 1953 on august 16th. every decade the race finishes with a festival. how many years is this?

Use the expression below.–4b + 8c + 12 – 8b – 2c + 6part asimplify the expression. enter your answers in the boxes. b + c + part bfactor the simplified expression using the gcf. a. 2(–2b + c + 3) b. 3(–2b + c + 3) c. 4(–2b + c + 3) d. 6(–2b + c + 3)part cwhat is the value of the expression when b = 2 and c = –3? enter your answer in the box.

Which expression is equivalent to 16 in exponential form? a) 4 × 4 b) 8 × 2 c) 23 d) 24