Determine if the fractions can form a proportion.
and 
A. No
B. Yes
Answer: B
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Write a system of inequalities that describes the possible solutions to the problem.Matt is going to invest no more than $4000 into two accounts earning 2% and 4% simple interest. He would like the accounts to earn at least 
after one year. He wants to invest less than 
in the account earning 4% simple interest. Write a system of inequalities to describe this situation and solve by graphing.
A. x + y ? 4000 0.02x + 0.04y ? 80 x ? 0 y ? 1000 B. x - y ? 4000 0.02x + 0.04y ? 80 x ? 0 y ? 0 C. x + y ? 80 0.02x + 0.04y ? 4000 x > 0 y ? 0 D. 0.02x + 0.04y - 80 ? 4000 x ? 0 y ? 0
Simplify the expression, if possible.
A. Not an integer B. -6 C. 6 D. 12
Verify that each equation is an identity.
+ 
= -2 csc ?
What will be an ideal response?
Find the indicated term.Find a1 when a17 = 67 and a12 = 42.
A. -8 B. 5 C. -13 D. -3