80% of 30 students got the answers correct. How many students got it correct?

What is 3x3 - 8x2 - 5x + 6 subtracted from x3 + 3x2 + 5x + 6?

Which rate is faster:a bird traveling at a constant rate of 2 kilometer per hour or an insect travelinf at a constant rate of 1,000 meters per hour

Line R T and line S U slightly inclined with horizontal intersects at V. The upward and downward angles of the intersecting lines are obtuse. The left and right angles of the intersecting lines are acute.

The two most commonly used systems of coordinates are the rectangular (or Cartesian) and the A. horizontal. B. quadrant. C. Euclidean. D. polar.

One brand of granola sells for $0.37 per ounce. Kristin bought a box of granola for $4.39. Which equation would determine the weight, w, of the granola in ounces?

Are the irrational numbers closed under multiplication?

You are spending $144 for new sweaters, T-shirts, and pants. Sweaters (s) cost $28, T-shirts (t) cost $14, and pants (p) cost $23, each. Which equation represents this situation? A. 28s + 14t + 23p = 144 B. 14s + 28t + 23p = 144 C.

What does 28 tens equal to

If the width is 3 less than the length of a rectangle, and it's perimeter is 98 inches, what are the dimensions of the rectangle?

What is 92 percent as a decimal and fraction, 21 percent as a decimal or fraction, 38 percent as a decimal or fraction, and 5 percent as a decimal or fraction?