Simplify the expression.
?

?

A. ?

?


B. ?
C. ?
D. ?
E. ?


Answer: E

Mathematics

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Solve the initial value problem. =  + , y(2) = 1

A. y = sin-1  + 5 sec-1 x + 1 - ? - 2?
B. y = sin-1  + 5 sec-1 x + 1
C. y = sin-1  + 5 sin-1 x
D. y = sin-1  + sec-1 x + -1

Mathematics

Use the appropriate formula to find the indicated figurate number.the 10th hexagonal number

A. H10 = 60 B. H10 = 160 C. H10 = 210 D. H10 = 190

Mathematics

Subtract. Use borrowing, if necessary.

A. 160 B. 60 C. 950 D. 150

Mathematics

Add. Simplify, if possible.-4 + (-1)

A. 3 B. -5 C. -3 D. 5

Mathematics