Solve the system of equations using substitution y=2x-4 and x + 2y=10

Simplify this ratio completely. 4/18=

The 5 positive integers a, a, a, b, and c have an average of a. What is the value of (b+c) / 2?

How do I order negative and positive and mixed numbers to smallest to largest

How many 4-digit odd numbers can be made if repetition is allowed?

How are fractions and decimals related

It costs a family $216 to have a 9 ft-by-12 ft wooden floor refinished. At that rate, how much would it cost them to have a 12 ft-by-16 ft wooden floor refinished? A) 2,592 B) 384 C) 288

Complete the following statement. ___/12 = - 6

if the number of neutrons in an atom are different than the most commonly occurring isotope then this would change the (blank) of the atom. this atom is called a (blank)

The frequency table represents the job status of a number of high school students

Proportional or Non-Proportional? y=-4x+5