What conditions on (positive) numbers a, b, c, d will guarantee that every difference at every step in the expansion (a-b) (c-d) results in a positive number?

At a certain time of day, a 30 - foot building casts a 10 foot shadow. how tall is a person who casts a 2 foot shadow

An equation is shown. 2x^2 - 5x-3=0 what values of x make rhe equation true?

What is the same as 7 - (3+4)

Dane puppy weighed 8 ounces when it was born. Now the puppy weighs 18 times as much as it did when it was born. How many pounds does dane's puppy weigh now?

Which is colder - 12 or - 20

Using 4, 16, 10, 24, and 25 create a problem in which the answer equals 1. You may use operations more than once.

Silas took 13 bags of glass to the recycling center. He still has 11 bags of plastic to take to the recycling center. Which equation could be used to find x, the total number of bags of glass and plastic Silas will take to the recycling center? A.

In a certain Algebra 2 class of 21 students, 6 of them play basketball and 14 of them play baseball. There are 5 students who play neither sport.

The product of my number and twice my number is 128. what is half my number? Explain how to solve the problem.

What is the rule that describes this pattern of numbers? 2, 3, 5, 7, 11, 13, 17, 19, 23, 29