Find the area of the figure. Use 3.14 for ?. Round approximations to the nearest tenth.
a = 3.6 ft, b = 9.4 ft
A. 28.2 ft2
B. 14.4 ft2
C. 28.8 ft2
D. Not enough data
Answer: C
Mathematics
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Solve the initial value problem.
= 
; 
t=1 = 4, r(1) = 5
A. r = 3t + 7t + 15
B. r = 
+ 
t - 5
C. r = 
+ 7t + 15
D. r = 
+ 7t - 5
Mathematics
Solve the problem.The range R of a projectile is related to the initial velocity v and projection angle ? by the equation 
where g is a constant. How is 
related to 
and 
if neither v nor ? is constant?
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Mathematics
Simplify by first converting to rational exponents. Assume that all variables represent positive real numbers.
A. 
B. x17
C. x5.831
D. 
Mathematics
Factor the trinomial completely. If the trinomial cannot be factored, say it is prime.m2 + mn - 56n2
A. (m + 8n)(m - 7n) B. (m + 8n)(m + 7n) C. (m - 8n)(m + 7n) D. (m - 8n)(m - 7n)
Mathematics