Combine like terms when possible. 7st2 - 4st2
A. 3s2t4
B. -3st2
C. 3st2
D. Cannot be simplified
Answer: C
Mathematics
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Estimate the sum as indicated. Then answer the question.Estimate the following sum by first rounding to the nearest hundred. Does the estimate give you reason to doubt the stated sum?
A. Estimate: 122,200 ; no B. Estimate: 126,200 ; no C. Estimate: 122,200 ; yes D. Estimate: 126,200 ; yes
Mathematics
Simplify the expression using the order of operations.
- 4
A. 44 B. 240 C. 239 D. 231
Mathematics
Classify as true or false.GCD(a, a) = a
A. True B. False
Mathematics
Decide if the system of equations in two variables is linear or nonlinear.
A. Nonlinear B. Linear
Mathematics