Do the dioagonals of parallelograms intersect at right angles always, sometimes or never? Justify your reasoning.

Write nine hundred twenty-seven and fifteen hundredths in standard form

Eric has two identical number cubes. The faces of each cube are numbered 1-6. Erice will roll both of the number cube at the same time. What is the probability that both of the number cubes show facing up will be a multiple of 3?

Lashonda runs 3 miles in 25 minutes. at the same rate, how many miles would she run in 20 minutes?

How many milligrams of CO exist in 12000 liters of air with 10 ppm of CO? 1.2 * 10^4 12 * 10^3 12 * 10^5 12 * 10^4

Olivia is cutting a 1 / dfrac12 / text{ m}1 2 1 m1, start fraction, 1, divided by, 2, end fraction, start text, space, m, end text by / dfrac34/text{ m} 4 3 mstart fraction, 3, divided by, 4, end fraction, start text, space, m, end text piece of

Using the standard 28/36 guidelines, what is the maximum mortgage payment allowed for someone with an annual salary of $70,000?

What is the value of n in n/0.38 = 5.89

How do you write 6,007,200 in word form and how do you write 32,005,008 in word form

5) What is the total cost of an item priced at AED 150 with a sales tax of 6%?

Jaimie swims 12 the length of the swimming pool every 14 of a minute. Enter the number of lengths of the swimming pool Jaimie swims per minute. _[blank]_ lengths