Simplify the expression. If the expression cannot be simplified, so state.3y2 - 11y2
A. 14y2
B. -8y4
C. -8y2
D. cannot be simplified
Answer: C
Mathematics
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Find  figures 4.png)
(t) for the function given.
r(t) = 8i+sintj+costk
Mathematics
Solve the problem.Jill is 20 kilometers away from Joe. Both begin to walk toward each other at the same time. Jill walks at 2 km/hr. They meet in 4 hours. How fast is Joe walking?
A. 7 km/hr B. 12 km/hr C. 2.5 km/hr D. 3 km/hr
Mathematics
Solve the formula for the specified variable.A = 
bh for b
A. b = 
B. b = 
C. b = 
D. b = 
Mathematics
Multiply. Write the answer as a mixed number as needed.3 × 5
A. 15
B. 15
C. 15
D. 16
Mathematics