A block of wood weighing 18 pounds rests on an inclined plane that makes an angle of 60 with the horizontal. How much of the friction force is needed to prevent the block from sliding on the plane?

Randy makes two slices through a three-dimensional object. One plane is parallel to the base; the other plane is perpendicular to the base. The two cross-sections are the same size and shape. What three dimensional shapes Might randy have cut

A sailboat and a power boat leave from the same marina at the same time. The sailboat travels at 7 km/h, 14? west of south. The power boat travels at 19 km/h, 22? east of south. They travel for 6 h on the same course and stop.

How do you round 30,361 to the nearest dollar

Which product is negative? (a) 6 • (-2) • (-3) • 1 (b) - 3 • (-4) • (9) • 0 (c) - 7 • (3) • (5) • (8) (d) - 2 • (-4) • 8 • (-1)

7h - 5 (3h - 8) = - 72

3x-2y+4z=35 -4x+y-5z=-36 5x-3y+3z=31

Steve earns $8 per hour. His older brother earns $2 more per hour than Steve. What is the ratio of the money Steve earns in an hour to the money his brother earns in an hour?

10. 0.75,1/2, 0.4, and 1/5 from least to greatest

Greg is running a marathon while running he should drink 22 ounces of water per hour if he runs for 4 hours how much water should he drink

Measure of two angles is 80 degrees and 55 degrees. Are these supplementary angles?