Dan has some marbles

ellie has twice as many marbles as dan

frank has 15 marbles

dan, ellie and frank have a total of 63 marbles

A) how many marbles has does dan have.

B) write the ratio of dans marbles to ellie's marbles in its simplest form.

Heather is my planning a dessert display. She needs 6 ounces of strawberries for each dessert. Part A Heather is not sure how many desserts she will make.

solve the equation r/3 - 4 = 11

a target has a bullseye with a diameter of 2 in the outer ring is 1 in wide what is the area of the outer ring

Line KL has an equation of a line y = 4x + 5. Which of the following could be an equation for a line that is perpendicular to line KL?

Elsa plans to save $4 each week from her allowance. Elsa's Cousin Sara had seven dollars saved from her birthday and also plans on saving an additional $4 each week from her allowance. After one year, how much will each cousin have saved?

For the particular problem raised in the introduction, assume that the total bill is $44. to answer the question "how should the bill be split?" we will create a linear equation.

An item is regularly priced $75. Ali bought it at a discount of 60% off the regular price. How much did Ali pay?

Sheila is graphing to the rule y=3x. Which of the following best describes the rule?

Is the GCF of two even numbers 2

R1 = (a, b.∈ r2, the "greater than" relation, r2 = a ≥ b, the "greater than or equal to" relation, r3 = (a, b.∈ r2, the "less than" relation, r4 = a ≤ b, the "less than or equal to" relation, r5 = a = b, the "equal to" relation, r6 = (a, b.