Find a formula for the nth term of the arithmetic sequence whose first term a and common difference d are given.a = -3; d = 
A. an = -3n + 
B. an = 
n + 3
C. an = 
n - 
D. an = 
n - 3
Answer: C
Mathematics
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Solve.A wheel with a 19-inch diameter is turning at the rate of 53 revolutions per minute. To the nearest inch per minute, what is the linear speed of a point on the rim?
A. 3171 in./min B. 3217 in./min C. 3164 in./min D. 3210 in./min
Mathematics
Find the slope and intercepts of the line.2x + 3y = 16
A. m = - 
, y-intercept = 
, x-intercept = 8
B. m = - 
, y-intercept = 
, x-intercept = 
C. m = 
, y-intercept = 
, x-intercept = 16
D. m = 
, y-intercept = 
, x-intercept = 
Mathematics
Evaluate the expression for the given replacement values. Write the answer in simplest form.
for x = 
, y = 
A. 
B. 
C. 
D. 
Mathematics
Subtract and simplify.
- 
A. 
B. 
C. 
D. 
Mathematics