What is the value of z so that - 9 and 9 are both solutions of x^2+z=103?

The math class has a set of 40 calculators, and 85% of the calculators have working batteries. How many calculators need new batteries

A kitten and a puppy noticed each other and started to run in opposite directions. How far from each other will they be in 15 seconds, if the puppy runs with the speed of 6 meters per second, and the kitten runs 2/3 as fast as the puppy?

Write a real world problem that involves finding the area is two circles

Along with incomes, people's charitable contributions have steadily increased over the past few years. The table below shows the average deduction for charitable contributions reported on individual income tax returns for the period 1993 to 1998.

Find the absolute value / - 26

How much is 1 mi in ft

The ratio of the teacher card to students bikes in the parking lot is 2 to 3 there are 96 teachers cars how many student bikes are there

A hardcover book sells for $24 at the Bookmart. Ben pays a total of $25.02 for the book. What is the sales tax rate?

C) A bus drives for 372 hours at an average speed of 56 mph. How far does the bus drive?

Rewrite the statement (a*c) * c inverse = (b*c) * c inverse in additive notation