Solve the problem.What are the dimensions of the smallest square that you can make using 21-in. by 28-in. rectangular tiles?
A. 42-in. × 42-in.
B. 84-in. × 84-in.
C. 70-in. × 70-in.
D. 168-in. × 168-in.
Answer: B
Mathematics
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Solve the equation.x2 + 3x - 40 = 0
A. {-8, 1} B. {8, -5} C. {-8, 5} D. {8, 5}
Mathematics
Decide whether the figure shown is a polyhedron.
A. Polyhedron B. Not a polyhedron
Mathematics
Simplify.
A. 214 B. 3258 C. 58 D. 130
Mathematics
Determine the x- and y-intercepts on the graph of the equation.y = x + 7
A. x-intercept is 1; y-intercept is 7 B. x-intercept is 7; y-intercept is -7 C. x-intercept is 0; y-intercept is 0 D. x-intercept is -7; y-intercept is 7
Mathematics