A quadrilateral has all sides the same length and no right angles. What is the name of the quadrilateral?

A group of students weighs 500 us pennies. they find that the pennies have normally distributed weights with a mean of 3.1g and a standard deviation 0.14g. a) what percentage of pennies will weigh between 2.8 and 3.

Six more than a number equals two times the sum of one-half the number plus three. Is this statement true for only one number, all numbers, or for no numbers

Find the length and width of a rectangle when the width is 4ft. Shorter than the length. The perimeter of the rectangle is greater than 72ft.

Solve 0.6861 + t = 9.64

The expression 0.08x + (x-200) models the final price of a computer with an instant rebate in a state that charges a sales tax. The tax is on the original price. Which expression represents the amount of tax that is paid on the computer?

Identify the y-intercept. tell what the y_intercept means in this context

Factorise 15pq+15+9q+25p

When Gabby went food shopping, she spent $14.90 on 5 bags of marshmallows to make Rice Krispie treats. She has to go to the store to buy 2 more bags. How much will it cost her?

A rectangular prism has a length of 1 1/2 m, a width of 3 m, and a height of 5 1/2 m. Enter the volume of the prism as a mixed number in simplest form in the box.

Part of the population of 7000 oak in a wildlife preserve is infected with a parasite. A random sample of 50 elk shows that four of them are infection. How many elks are infected?