For the given rectangular equation, write an equivalent polar equation.x2 + y2 = 49
A. r = 7
B. r = 7 cos ?
C. r = 49
D. r = 7 sin ?
Answer: A
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Find the discount and proceeds on the simple discount note. Round to the nearest cent.Maturity value: $18,680.00Discount rate: 9.5%Time (days): 220
A. Discount: $1084.48 Proceeds: $17,595.52 B. Discount: $1774.60 Proceeds: $16,905.40 C. Discount: $1069.62 Proceeds: $17,610.38 D. Discount: $0.00 Proceeds: $18,680.00
Change the number to base ten.
?
Fill in the blank(s) with the appropriate word(s).
Decide whether the ordered pair is a solution of the given system.(-5, 4)x + y = -1x - y = -9
A. No B. Yes
Solve the system of equations by the substitution method. Check your solutions. For any dependent equations, write your answer in the ordered pair form.
A. {(9, 2)} B. {(0, 11)} C. ? D. {(x, 2 - x)}