Evaluate the expression.
3
A. 
B. 3
C. 
D. 
Answer: C
Mathematics
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The temperature T, in degrees Fahrenheit, of a roast t minutes after it is placed in the oven is given by
?
.
?
When does the temperature of the roast reach 142 degrees?
?
A. After 131.53 minutes B. After 86.75 minutes C. After 129.62 minutes D. After 90.34 minutes
Mathematics
Solve the polynomial inequality. Express the solution using interval notation.2x2 - 5x ? 7
A. (-?, -1] ?
B. 
C. (-?, -1) ? 
D. 
Mathematics
Solve the system of equations by substitution. x + 2y = 23x - 7y = -7
A. (1, 1) B. (0, 0) C. (1, 0) D. (0, 1)
Mathematics
Find the least common multiple for the set of numbers.3 and 5
A. 30 B. 15 C. 8 D. 1
Mathematics