Perform the indicated operations in the proper order.8(-2) + (5 - 7)2
A. 196
B. 8
C. 20
D. -12
Answer: D
Mathematics
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Solve the equation by using the quadratic formula. Give only real number solutions.x2 + 4x = 7
A. 
B. 
C. 
D. 
Mathematics
Answer the following statement(s) true (T) or false (F)
The vast majority of students are successful with reification in algebra.
Mathematics
The function f is one-to-one. Find its inverse.f(x) = 
A. f-1(x) = 
B. f-1(x) = x2 - 4, x ? 0
C. f-1(x) = x2 + 4, x ? 0
D. f-1(x) = (x + 4)2
Mathematics
Find the ratio of net income after taxes to average owner's equity. Round to the nearest tenth of a percent.Owner's equity at beginning of year: $614,000. Owner's equity at end of year: $2,058,000. Net income after taxes: $316,500.
A. 15.4% B. 51.6% C. 23.7% D. 51.5%
Mathematics