What is the decimal equivalent of this percent?

861%

A light bulb consumes 600 watt-hours per day. How long does it take to consume 2100 watt-hours?

What is the perimeter of the rectangle? Area = 33 sq m, width=3, length=?

What is x - 8y = - 32

Let 3 * 3 * 3 * 3 = n. Which choice also equals n? A) 3 * 4 B) 34 C) 4 : 3 D) 43

74,181,467 in scientific Notation

If you know the ratio of inches to centimeters is 1 to 2.54, how can you find the number of centimeters equivalent to 9 inches? What is the relationship between centimeters and inches?

If f (x) = - 3x4 - 2x3 + 3x2, and g (x) = 3x4 - 4x3 + x2 then f (x) + g (x) = A. 2x3 - 2x2 B. - 6x3 + 4x2 C. - 3x4 - 6x3 + 4x2 D. 3x4 + 2x3 - 2x2

How do i solve this 2x+y=2 - 2x-5y=14

Using side lengths only, could the triangles be similar? Triangle X Y Z. Side X Y is 1.5, X Z is 1, Z Y is 2. Triangle Q S R. Side Q R is 1, R S is 1.5, S Q is 0.5.

Mary found 98 seashells and 34 starfishes on the beach. She gave Nancy some of her seashells. She has 39 seashells left. How many seashells did she give to Nancy?