Simplify.(6 + 10) ? (13 - 8)
A. 56
B. 128
C. 40
D. 80
Answer: D
Mathematics
You might also like to view...
In a school survey, students showed these preferences for instructional materials. Answer the question.
About how many students would you expect to prefer written materials in a school of 300 students?
A. About 9 students B. About 54 students C. About 108 students D. About 27 students
Mathematics
Sketch the surface z = f(x,y).f(x, y) = 4x2 + 4y2 + 2
A. 
B. 
C. 
D. 
Mathematics
Round to the indicated place value.Round to the nearest ten: 62.7
A. 61 B. 59 C. 60
Mathematics
Use I = Prt for simple interest to find the indicated quantity.P = $13,500; t = 4 months; I = $517.50. Find r.
A. 11.7% B. 7.7% C. 3.8% D. 11.5%
Mathematics