Evaluate the expression for a = - 20.

19 + 21=

In the equation below, what is the coefficient of the variable? 26=9x

What is the expression for "the difference of 3 and 5 times a number"?

Write an area word problem so that the solution is 36 square units

A student factors 3x2 - 12 to the following. 3 (x2 - 4)

Given a dilation with the origin O (0, 0), by observation determine the scale factor "K." DO, K = (5, 0) (10, 0) The dilation an expansion. True False

Gracie and mary and nancy each have a small collection of seashells gracie has 5 more than 1 and 1/4 times the number of shells mary has. nancy bas 1 more than 1 and 1/2 the number of shells mary has.

True or False a scaled bar graph has a key

Change the mixed number into an improper faction 6 5/12

A monomial of the 2^{/text{nd}}2 nd 2, start superscript, start text, n, d, end text, end superscript degree with a leading coefficient of 333

170 to 210. what is the percent of change