a square is always which of these?
circle
triangle
trapezoid
rectangle
2.
a wheel has a radius of 15 cm. approximately how far does it travel in 4 revolutions?
47.1 cm
94.2 cm
188.4 cm
376.8 cm
3.
the diameter of a circular garden is 22 feet. what is the approximate area of the garden?
50 square feet
100 square feet
254.34 square feet
379.94 square feet
4.
what are the solutions to the equation y2 – 1 = 15?
–5 and 5
–4 and 4
–7 and 7
–9 and 9