Find the sum without the use of a number line.81 + (-78)
A. 159
B. -3
C. -159
D. 3
Answer: D
Mathematics
You might also like to view...
Solve the initial value problem.Differential Equation: 
= 9t2i - tj Initial Conditions: 
= -10i, r(0) = 7i - 6k
A. r(t) = 
i - 
j - 6k
B. r(t) = 
i + 
j - 6k
C. r(t) = 
i - 
j - 6k
D. r(t) = 
i - 
j - 6k
Mathematics
Simplify.113 × 13 - (15 - 8)
A. 59 B. 1324 C. 9317 D. 1308
Mathematics
Consider the series 
.
?
Find the radius of convergence of the power series.
?
__________
?
Find the interval of convergence of the power series.
?
__________
What will be an ideal response?
Mathematics
Multiply. Simplify, if possible.28 ? (-388)
A. 10,892 B. -10,892 C. -10,864 D. 10,864
Mathematics