Perpendicular lines have slopes that are:

A. the same

B. opposites

C. reciprocals

D. Negative reciprocals

Mr. Frame bought a tennis racquet stringing machine for $480. He uses it to sting racquets for local players. On average, he spends $8 per racquet on string. He then charges $20 to complete the string job.

Complete the steps to factor 56x2 - 8x - 7x + 1 by grouping.

About how many revolutions must a 20-inch diameter wheel make in order to travel a distance of 100 feet? A. 1 1/2 B. 5 C. 9 1/2 D. 19

Put 0.64, 2/3, 65%, 7/10 in order least to greatest show work

Which of the following statements are true about the slope of a line? Choose all that apply. You cannot determine the slope of a line from the equation of the line.

Why do we multiply by sin - 1 to cancel it out rather than divide by sin?

3x+2y=6 solve for y and x show work

Which is the best type of graph to model the speed of a roller coaster over the full two minutes it takes to complete the ride? a qualitative graph a discrete graph a bar graph a histogram

Write 75 over 100 in simplest form

A population has a standard deviation of o = 17.3. How large of a sample must be drawn so that a 95% confidence interval for u will have a Margin of Error equal to 1.4?