Which has a greater volume – a cylinder with a radius of 2.5 cm and a height of 16.7 cm or a cone with a diameter of 4 in. and a height of 6 in.? Hint: 1 inch = 2.54 cm.

When you arrive at the lake, your friend realises he hasn’t got any swimming trunks. you need to ride to a sports shop. the sports shop is 8350 metres away. how many metres is it to cycle there and back?

What value of x is in the solution set of 4x – 12 s 16 + 8x?

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (–4, 0) and (6, 0). the y-intercept of the first parabola is (0, –12). the y-intercept of the second parabola is (0, –24). what is the positive difference between the a values for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth