Easy Math Problem ...

A bat and a ball cost one dollar and ten cents in total. The bat costs a dollar more than the ball. How much does the ball cost?

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Melissa has a pencil pouch with 4 blue pens, 2 red pens, 3 green pens, 10 black pens, and 2 purple pens in it. If the ratio of green pens to total pens is 1:9, how many more pens are in her pouch?

How much does 81 go into 235

a local company charges $2.57 per square inch to build a special sign. the design needed is a circle with a 1 foot diameter. How much will it cost to make the sign?

Which data set is the most clustered around its mean? a) 14,26,24,28 b) 22,16,18,36 c) 22,28,20,22 d) 21,19,27,25

you invest $1000 in an account at 2.5% per year simple interest. How much will you have in the account at the beginning of the 4th year? Round your answer to the nearest whole dollar. A. $1075 B. $3250 C. $1088 D. $1163

This maybe primary but i don't get it There's a circle with the radius = 3, calculate it's perimeter

Which letter has at least one line of symmetry? J G L A

How many people do you need to switch a lightbulb?

What is the length of the hypotenuse of the right triangle if one side is 16in and one is 7in?

Jason is buying grapes for a picnic. Green grapes cost $2 a pound and red grapes cost $3 a pound. He plans to buy at least 4 pounds of grapes and spend no more than $20.