Decide whether or not the ordered pair is a solution to the equation.5x + y = 24; (4, 4)
A. Yes
B. No
Answer: A
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Find the direction angles of each vector. Round to the nearest degree, if necessary.v = -2i + 3j - 4k
A. ? = 119°, ? = 43°, ? = 166° B. ? = 115°, ? = 51°, ? = 147° C. ? = 113°, ? = 55°, ? = 140° D. ? = 112°, ? = 56°, ? = 138°
Graph the linear inequality.y ? 4x
A.
B.
C.
D.
Solve.A yoga studio is being designed in the shape of a trapezoid. The lengths of the two parallel sides are 56 feet and 44 feet. The area of the studio is to be at least 1600 square feet and not more than 2000 square feet. What is the range of possible values for the width of the studio?[Hint: the area of a trapezoid is A = w(a + b) where a and b are the lengths of the two parallel sides.]
A. 17 ft ? w ? 35 ft B. 32 ft ? w ? 40 ft C. w ? 32 ft D. 64 ft ? w ? 80 ft
Find the indicated quantity.a11, when a1 = -1 and d = -
A. 14
B.
C. - 16
D. -