?Which of the following is not true about pyramids?
A. ?A pyramid is a polyhedron.
B. ?A pyramid has only one base.
C. ?The lateral faces are the same shape as the base.
D. ?The lateral faces are always triangles.
E. ?Three type of pyramids are: rectangular pyramids, square pyramids, and triangular pyramids.
Answer: C
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Solve the problem.Find the length of the unknown side of the right triangle, where a and b are the legs and c is the hypotenuse. a = 6, b = 8, c = ?
A. c = 10 B. c = 7 C. c = 9 D. c = 5
Calculate the monthly finance charge for the credit card transaction. Assume that it takes 10 days for a payment to be received and recorded, and that the month is 30 days long. ? $400 balance, 14%, $100 payment, previous balance method ? Please round the answer to the nearest cent. ? $__________
Fill in the blank(s) with the appropriate word(s).
Use a proportion to solve the problem.If a spring stretches 2 meters when a 3-kilogram weight is attached to it, how much will it stretch when a 15-kilogram weight is attached to it?
A. 9 m B. 13 m C. 10 m D. 12 m
Evaluate the expression without using a calculator.
1/2
A. 
B. 
C. 
D. 