Solve the system of equations by substitution. x + 7y = -23x + y = 34
A. (7, 12)
B. (12, -2)
C. (-2, 3)
D. (3, 7)
Answer: B
Mathematics
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Use the slopes of UQ, UR, US, and UT to estimate the rate of change of y at the specified value of x.x = 2.5
A. 7.5 B. 0 C. 1.25 D. 3.75
Mathematics
Use the graph of the polynomial function f(x) to solve f(x) = 0.
A. 1, 3 B. -3, -1 C. -4, -1, 1, 4 D. -3, -1, 1, 3
Mathematics
Solve. Write the answer in simplest form.Marty jogged 
of a mile from home and then rested. Then he continued jogging another 
of a mile until he discovered his watch had fallen off. He walked back along the same path for 
of a mile until he found his watch. Find how far he was from his starting point.
A. 
mi
B. 
mi
C. 
mi
D. 
mi
Mathematics
Simplify.
? 
A. 5
B. 
C. 
D. 
Mathematics