Bobby has a bag containing 2 sizes of marbles. The big ones weigh 10 g and the small ones weigh 3 g. If there are three times as many small ones as big ones and the bag weighs 209 g, how many big marbles does he have?

How to multiply 12.4 times 14.6

What is the non-shaded region the width is 16 feet the height is 8 feet and the other height is 2 feet

Which data set is the most spread from it's mean? A) 14,26,24,28 B) 22,16,18,36 C) 22,28,20,22 D) 21,19,27,25

The length of a living room is 12 feet and its width is 1012 feet. The length of the room is being expanded by x feet. Choose an expression to represent the new area of the living room in square feet and the expanded form of the expression.

Find the equation of the axis of symmetry in the coordinates of the vertex of the graph of the function y=4x^2-8x-3

Factor this trinomial completely. - 12x^2+45x+12

How many hundreds go into 8 ten thousands

The second of two numbers is 4 more than the first. The sum of the numbers 56. find the numbers

Solve the problem 4y+3=19 using mental math

The composite figure is made up of two congruent rectangular pyramids joined at their bases. What is the total volume of the composite figure? units3