Which of the following equations is not equivalent to 7x = 21?

A. 2x = 6

B. 5x = 2

C. 2.2x = 6.6

D. 2x + 8 = 14

Calculate the force on an area of 16 m2, if the pressure applied is 50 Pa

Write the following phrases as algebraic expressions: i) seven times the sum of x and y.

Explain why the median is not affected by very high or low values in the data

Eduardo puts $40 into his piggy bank and plans to add $5 each month. Write an equation to represent this.

Divide the decimal 122.4 by 9 (122.4:9)

How do you find the solution of this proportion? 4/9 = m2-1/54 m2 is m to the power of 2

A rectangular park has an area of 64 square yards. If we multiply its length and width by 12, what will be the area of the new rectangle?

A town uses positive numbers to track incresses in population and negitive numbers to track decresses in population. The population had decressed by 300 residents over the past 5 years. The same numbers of residents left each year.

What are the steps of translating 2 or 1 step expressions?

How to solve this equation-1/2 a+3b-b+9