Solve.The circle graph shows the fraction of books read by grades one through five. What fraction of books was read by the fifth and third grades combined?

A.
B.
C.
D.


Answer: B

Mathematics

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Find the exact value under the given conditions.Given sin u = , with u in quadrant II, and cos v = , with v in quadrant I. Find sin (u - v).

A.
B.
C.
D.

Mathematics

Find a z-score satisfying the given condition.25.1% of the total area is to the right of z.

A. 0.33 B. 0.67 C. -0.68 D. -0.67

Mathematics

Use the fundamental identities to find the value of the trigonometric function.Find tan ? if cos ? =  and sin ? < 0.

A. - 
B. - 
C. 2
D. - 

Mathematics

From age 30 to age 40, Jessica deposited $100 at the end of each month into a tax-free retirement account. She made no withdrawals or further contributions until age 65. Alex made deposits of $350 into his tax-free retirement account from age 40 to age 65. If both accounts earned interest at the rate of 5%/year compounded monthly, who ends up with a bigger nest egg upon reaching the age of 65, Jessica or Alex?

What will be an ideal response?

Mathematics