How many pennies are on the chessboard? 264 264 - 1 264 - 232

A pencil costs $0.50. Write a variable expression for the cost of x pencils. A. 0.40 + x B. 0.50 C. 0.50 • x D. 0.50 - x

Aditya's dog routinely eats Aditya's leftovers, which vary seasonally. As a result, his weight fluctuates throughout the year.

How many feet of fencing will he need to buy if his yard is rectangular and measures 100 ft by 140 ft

Katy had 32 beads. Audry had twice as many beads as Katy. Audry found 3 more beads. Show the equation.

If a triangle has three equal sides, what is true about a triangle? A. all three angles must be equal. B. all three angles must be unequal. C. one angle must be a right angle. D. two angles must be 45-degree angles.

What's 12 rounded to the whole number

A bag has 4 yellow marbles and 16 blue marbles. half of the blue marbles are made of plastic. a marble is selected at random from the bag. what is the probability that it is a blue, plastic marble?

How does the volume of a prism change if each dimension of the present is doubled

In 2010, Car A was the highest mileage car available in a country. It's estimated highway mileage was 4 miles per gallon more than car B. if the two cars could travel a total of 90 miles on a gallon of gasoline, find the mileage of each car.

Person A buys 12 granola bars and 7 cups of yogurt for $15.50. Person B buys 6 granola bars and 11 cups of yogurt for $11.50. Find the cost of each item