Find the root.
A. Not a real number
B. 1
C. 
D. 3
Answer: B
Mathematics
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Factor. Check by multiplying.45 - 10x
A. 5(9 - 2x) B. 5(9 - 10x) C. 5(2 - 9x) D. (9 - 2)5x
Mathematics
Expand the expression  figure 1.png)
What will be an ideal response?
Mathematics
Solve. If necessary, round answers to the nearest tenth unless stated otherwise.A hot-air balloon exerts a 180 lb pull B on a tether line at a 36° angle with the horizontal. Resolve the vector B into components.
A. Horizontal: 145.6 lb, vertical: 105.8 lb B. Horizontal: 306.2 lb, vertical: 222.5 lb C. Horizontal: 222.5 lb, vertical: 306.2 lb D. Horizontal: 105.8 lb, vertical: 145.6 lb
Mathematics
Find the slope and the y-intercept.7x - 4y = 28
A. m = 7; (0, 28)
B. m = 
; (0, 4)
C. m = - 
; (0, 7)
D. m = 
; (0, -7)
Mathematics