Write the rate as a unit rate.A toy rocket climbs 138 yards in 46 seconds.
A. 3 seconds per yard
B. 138 yards per 46 seconds
C. 3 yards per second
D. 15 yards per 5 seconds
Answer: C
Mathematics
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Find the area.
a = 3.9 ft, b = 10.8 ft
A. 42.12 ft2 B. 14.7 ft2 C. 84.24 ft2 D. 15.6 ft2
Mathematics
Solve by the quadratic formula. Simplify answers. Use i notation for nonreal complex numbers.x2 - 14x + 53 = 0
A. x = 7 ± 2i B. x = 5, 9 C. x = 7 ± 4i D. x = 7 + 2i
Mathematics
Provide an appropriate response.Determine the x- and y-intercepts, if they exist, of the graph of 9x2 + y2 + 8y = 9. Also determine whether the graph is symmetric about the x-axis, the y-axis, the origin, or the line y = x.
What will be an ideal response?
Mathematics
Evaluate the sum.
A. 21 B. 16 C. 13 D. 15
Mathematics