Find the GCF for the group of monomials.21m4, 189m9, and 441m5
A. 21m4
B. 3969m5
C. 189m4
D. 21m5
Answer: A
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Choose the equivalent expression for the given expression.cos2x
A. 1 - sec2x B. 1 - sin2x C. 1 + sin2x D. sin2x - 1
Solve the problem. Round to the nearest cent unless otherwise noted.Find the amount of markup of an item which cost a store $151. The store has a 25% markup on cost.
A. $604.01 B. $188.75 C. $120.80 D. $37.75
Solve the problem.On the September 20 billing date, Emilio had a balance due of $573.56 on his credit card. During the next month, Emilio charged an additional $357.87 and makes a payment of $433. The interest rate on the card is 1.9% per month. Using the previous balance method, find the finance charge on October 20.
A. $6.80 B. $9.47 C. $2.67 D. $10.90
Find the sign of the following.sec (-?), given that ? is in the interval (180°, 270°).
A. negative B. positive