Match the following reasons to complete the proof.
m?3 + m?4 = 180° ________________________
(e) Substitution
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Write the number in expanded form.7090
A. 709 thousands = 709,000 B. 7 ten thousands + 9 thousands = 70,000 + 9000 C. 7 thousands + 9 tens = 7000 + 90 D. 7 hundreds + 9 ones = 700 + 9
You are given a table showing input and output values for a given function y1 = f(x). Use the table to answer the question.What is the y-intercept of the graph of y = f(x)?
A. 1 B. 0 C. -3 D. 3
Write an equation. Then, solve and check.A pancake recipe calls for 3
pounds of flour. David already has 2
pounds of flour. How many more pounds does he need?
A. x - 2
= 3
; x = 6 lb
B. x - 2
= 3
; x = 
lb
C. 2
+ x = 3
; x = 6 lb
D. 2
+ x = 3
; x = 
lb
Solve. Try factoring first. If factoring is not possible or is difficult, use the quadratic formula.x2 + 2x - 8 = 0
A. -4, 2 B. -4, 1 C. 4, -2 D. 4, 2