Solve the problem.Claire has received scores of 85, 88, 87, and 80 on her algebra tests. What score must she receive on the fifth test to have an overall test score average of at least 82?
A. 68 or greater
B. 69 or greater
C. 70 or greater
D. 71 or greater
Answer: C
Mathematics
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Use the rules for exponents to rewrite the expression and then evaluate the new expression. 42 ? 45
A. 262,144 B. 16,777,216 C. 16,384 D. 1,048,576
Mathematics
Solve the problem.Marti and Manuel are building a room onto their house that will have an area of 225 square meters. How many square yards of carpet will they need to buy to cover the entire addition?
A. 180 yd2 B. 202.5 yd2 C. 281.25 yd2 D. 2500 yd2
Mathematics
Solve by transforming the augmented matrix into row echelon form.
A. (2, 7, 5) B. no solution C. (2, 5, 7) D. (-2, 7, 4)
Mathematics
Write as a percent.0.96
A. 96% B. 9.6% C. 960% D. 0.096%
Mathematics