Evaluate a/b for a = 4/5 and b = - 9/2

Find the solution of this system of equations. Separate the x - and y-values with a comma. x = 0 + y 6x - 5y = 23

Calculator weighs 16oz. 20 students received one how many pounds did they weigh?

Susie said that 40.04 : 5.2 equals 0.77. Is Susie's answer reasonable? A. Yes, Susie's answer is reasonable. B. No, Susie's answer should be closer to 8. C. No, Susie's answer should be closer to 80. D. No, Susie's answer should be closer to 800.

Renee uses 12 marshmallows and 8 graham crackers to make 4 s'mores. Drag marshmallows and graham crackers into the box to show how many Renee needs to make 3 s'mores.

The number of patients treated at Dr. McCormick's dentist office each day for nine days is 13, 16, 16, 10, 6, 12, 4, 12, 16. Find the mean, median, mode, and range of the data.

True or false: arc measure is the same length as arc length

What is something times 4 equal 40

Mac is 5 feet tall and casts a 4 foot 6 inch shadow. At the same time, a nearby tree casts a 20 foot shadow.

Jessica is reading a book. She is able to read about 5 chapters each day. Assuming that, on average, each chapter contains 13.87 pages, which is a good estimate of the number of pages Jessica can read in 4 days?

70,000,000write the number in the form standard