What is - 13 minus a positive 13 and 89 minus a positive 107?

It's 2 PM. How many degrees are in the angle between the hour and minute hand?

Billy has already knit 23 centimeters of scarf, and can knit 1 centimeter each night. How many nights will Carey have to spend knitting in order to knit a total of 36 centimeters of scarf?

Seven bags of peanuts and 3 sandwiches cost 22. Three bags of peanuts and 1 sandwiche cost 8. The cost of 1 bag of peanuts is. one sandwich cost

A container holds 8 quarts of juice. How much is this in gallons? Use the table below. Include the correct unit in your answer. Unit Symbol Fact Volume fluid ounce floz cup c 1c = 8floz pint pt 1pt = 2c quart qt 1qt = 2pt gallon gal 1gal = 4qt

Why should you use the median and interquartile range (IQR) to compare two populations that contain outliers? The median and IQR make graphs of the data appear symmetrical. The median and IQR increase the influence of outliers.

3. "a varies directly with b". If a = 4 when b = 21, find a when b-7.

Evaluate the expression using order of operations 8-3[{4+2}+6]=?

Let n be a prime number. Which of the following statements CAN be true? A. n is a perfect square B. n is even C. n is irrational D. nis negative E n is divisible by 4

Katie practiced the flute for 45 minutes. Then, she ate a snack for 15 minutes. Next, she watched televison for 30 minutes, until 6:00 P. m. At what time did Katie start practicing the flute?

The vertex form of the equation of a parabola is y = (x+3) ^2+53. what is the standard form?