Solve the problem. Round to the nearest hundredth.80 is 30% of what number?
A. 266.67
B. 24.00
C. 2666.70
D. 26.67
Answer: A
Mathematics
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Use a right triangle to write the expression as an algebraic expression. Assume that x is positive and in the domain of the given inverse trigonometric function.cos(tan-1 x)
A. x
B. 
C. 
D. 
Mathematics
Solve the problem.Jim has gotten scores of 74 and 70 on his first two tests. What score must he get on his third test to keep an average of 80 or greater?
A. At least 96 B. At least 74.7 C. At least 72 D. At least 95
Mathematics
Solve the linear system by using an inverse matrix.
A. {(6, 2)} B. {(-6, -2)} C. {(-2, -6)} D. {(2, 6)}
Mathematics
Tell whether the statement is true or false.{all odd integers greater than -3 and less than 5} = {-1, 1, 3}
A. True B. False
Mathematics