A train travels 90 km in 2 1/4 hours. what is its average speed in kilometers

If the height and base of the parallelogram shown are each increased by 1 cm, what is the area of the new parallelogram? A parallelogram with a base of 5 centimeters and a height of 4 centimeters. 12 cm2 22 cm2 30 cm2 40 cm2

What is the discriminant of the quadratic equation 2x + 5x2 = 1? - 18 - 16 22 24

Calculate the current in a circuit with resistance (r) of 30 and electromotive force (e) of 120vac

Ms. peters said that 5/8 of her dance students prefer ballet. What percebt is equivalent to 5/8

The lightest puppy in a litter weighs 9 ounces, which is 3/4 of the weight of the heaviest puppy. The equation 3/4 w + 9 can be used to find the weight w in ounces of the heaviest puppy. How much does the heaviest puppy weigh?

A library charges a late return fee of 3.50 plus $0.15 per day that a book is returned late write a equation to find the total late fee f for any numbers of days late d

What is the product of 45.67 x 32.58?

If you apply the changes below to the linear parent function f (x) = x what is the equation of the new function vertically compress by 1/4 over the y-axis

A science class measured the mass of a balloon to be 4 grams. After the balloon was inflated the mass was 8 grams. What was the mass of the air inside the inflated balloon?

What is 38.97 as a fraction?