Multiply the polynomials using the FOIL method. Express the answer as a single polynomial in standard form.(-5x - 11)(-3x + 3)
A. 15x2 + 18x + 18
B. -8x2 + 18x + 18
C. 15x2 + 18x - 33
D. -8x2 + 18x - 33
Answer: C
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Solve the problem.The formula can be used to estimate the speed of a car, v, in miles per hour, based on the length, L, in feet, of its skid marks upon sudden braking on a dry asphalt road. If a car is involved in an accident and its skid marks measure 125 feet, at what estimated speed was the car traveling when it applied its brakes just prior to the accident?
A. 55 mph B. 60 mph C. 50 mph D. 45 mph
Solve the problem.Which voting method always satisfies the head-to-head criterion?
A. plurality with elimination B. Borda count C. pairwise comparison D. plurality
List factors to find the greatest common factor (GCF) of the numbers.84, 378
A. 14 B. 21 C. 6 D. 42
Triangle ABC is a right triangle with sides of lengths a, b, and c and a right angle at C. Find the indicated trigonometric function value of A. Rationalize denominators containing radicals.a = 10, b = 7; find cos A.
A.
B.
C.
D.