Determine whether the points A, B, and C form a right triangle.A = (-8, 3); B = (-5, 3); C = (-5, 12)
A. Yes
B. No
Answer: A
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An executive invests $31,000, some at 6% and some at 9% annual interest. If he receives an annual return of $2,310, how much is invested at each rate? ?
A. $16,000 at 9%, $15,000 at 6% B. $17,100 at 6%, $13,900 at 9% C. $16,000 at 6%, $15,000 at 9% D. $16,500 at 6%, $14,500 at 9% E. $17,000 at 6%, $14,000 at 9%
Provide an appropriate response.If the trinomial 
is a perfect square, what can we conclude about the equationax2 + bx + c = 0?
A. The equation has no real solutions. B. The equation has one irrational solution. C. The equation has two rational solutions. D. The equation has one rational solution.
Solve.7x + 7y + z = 1 x + 8y + 8z = 89x + y + 9z = 9
A. (-1, 1, 1) B. (0, 0, 1) C. (1, -1, 1) D. (0, 1, 0)
Solve the problem.The sale price on an outfit Jan wanted was a 5-digit palindromic number, say $abc.de, satisfying the given conditions: Jan would never pay over $200.00;b, c, and d are all multiples of 3;c = (d + b) - 12;the sum of all the digits is a multiple of 13;a + e = (b + d) - 16; and c = 3(a + e).What amount does she owe the salesperson?
A. $193.91 B. $136.31 C. $196.91 D. $296.92