Solve the equation.-7r + 8 = -9 + 5r
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Evaluate the integral.
A. 7 tan x + 
tan3 x + C
B. 7(sec x + tan x)5+ C
C. - 
tan3 x + C
D. 
tan3 x + C
Mathematics
Multiply.(-9) × 3
A. 18 B. -30 C. -18 D. -27
Mathematics
Richard's team wants to plant 435 trees in 3 months. How many trees per month do they need to plant?
A. 145 trees B. 148 trees C. 155 trees D. 290 trees
Mathematics
Assume that a sample of bivariate data yields the correlation coefficient, r, indicated. Use the critical values table for the specified sample size and level of significance to determine whether a linear correlation exists.r = -0.923 when n = 6 at ? = 0.05
A. No B. Yes
Mathematics