Find the center-radius form of the equation of the circle satisfying the given conditions.Center (21, 11), tangent to the x-axis
A. (x - 21)2 + (y - 11)2 = 441
B. (x - 21)2 + (y - 11)2 = 121
C. (x - 11)2 + (y - 21)2 = 441
D. (x - 11)2 + (y - 21)2 = 11
Answer: B
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Solve using the problem-solving strategy for systems of linear equations.Jarod is having a problem with rabbits getting into his vegetable garden, so he decides to fence it in. The length of the garden is 12 feet more than 4 times the width. He needs 74 feet of fencing to do the job. Find the length and width of the garden.
A. length: 36 ft; width: 6 ft
B. length: 61
ft; width: 12
ft
C. length: 28 ft; width: 4 ft
D. length: 32 ft; width: 5 ft
Use the simple interest formula to determine the missing value. Round dollar amounts to the nearest cent and percents to the nearest hundredth when necessaryp = ?, r = 4%, t = 90 days, i = $117.65
A. p = $392.17 B. p = $11,944.74 C. p = $3921.67 D. p = $11,765.00
Perform the indicated operations. Express your answer in standard form.Square 7y - 3.
A. 49y2 + 42y + 9 B. 49y2 + 9 C. 49y2 - 42y + 9 D. 14y2 + 6
State the degree of the polynomial and whether it is a monomial, a binomial, or a trinomial.18x5 + 4x4 + 3
A. trinomial, degree 10 B. binomial, degree 5 C. trinomial, degree 9 D. trinomial, degree 5