Factor the expression completely.
?
What will be an ideal response?
Mathematics
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Use the substitution formula to evaluate the integral.
A. 10 B. 20 C. 5 D. -5
Mathematics
Write the number in scientific notation.66,000,000
A. 6.6 × 107 B. 6.6 × 10-8 C. 6.6 × 108 D. 6.6 × 10-7
Mathematics
Translate into an equation, then solve.A weatherman reports that since 6:00 am this morning the temperature has dropped by 
to the current temperature of 
What was the temperature at 6:00 am ?
A. x - 14 = 31; The temperature at 6:00 am was 17° F. B. x - 14 = 31; The temperature at 6:00 am was 45° F. C. x + 14 = 31; The temperature at 6:00 am was 45° F. D. x + 14 = 31; The temperature at 6:00 am was 17° F.
Mathematics
Tell whether the angle is acute, right, obtuse, or straight.
A. Acute B. Right C. Straight D. Obtuse
Mathematics