What is the difference between " and " and " or "?

On Fridays, Harry's school serves a choice of hamburgers or pizza for lunch. 60% of the sixth grade class ate pizza this Friday. If 36 sixth grade students ate pizza, how many students are in the sixth grade?

A math thing 1. 3x + 2 = x + 4

P=3L-3W solve for L (literal equation)

a local club sells candles for a fundraiser. a set of 6 candles sells for $18.00. what is the cost per candle?

N is an integer and - 2 < n + 3 ≤ 4 Write down the possible values of n, from smallest to largest. All values must be separated to by commas. eg ..., ..., ...

Eva earned the following test scores in science: 82, 100, 96, 90, 91 Ms. Wade entered the next score as 0 because Eva was absent on test day and hadn't had a chance to make up the test.

Choose one of the factors of x^15 - 64. a. x^5 - 4 b. x^10 - 4x^5 + 16 c. x^10 - 4 d. x^15 + 8x + 16

Proportion n/11 = 40/55

The value of y varies directly with x, and y = 4 when x = 10. find y when x = 1. a.-2.5 b. 2.5 c. 0.4 d.-0.4

The height of a cylinder is 6 inches. The diameter of the circular base of the figure is 10 inches. What is the approximate surface area of the figure? Use 3.14 for π and round to the nearest whole number.