Consider x+4=x+8 what values could be substituted for x to make this a true number sentence

Write the fact family for 115?

The temperature T of a cup of coffee is a function T (t) where t is the time in minutes. The room temperature is 18° Celsius.

Simplify this expression 8.4 (7x-4) + 3.9

Solve x 5x-12=63 what is the answer to x

A $35 decrease followed by a $25 increase is it same as the origional price, is it less the the origional, or is it greater than the origional

Angles DAB measure (4x-2) and angles BCD measures 47 degrees. find x

Which expression is equivalent to the following expression? 3 (2x + 3) 5x + 6 6x + 6 6x + 9 5x + 9

Use compatible numbers to find two estimates 33 divided by 2242

What is 7,058 divided by 9

78 students are going to be divided into 24 groups and the number of each group member will be either 4 or 2. How many groups of 2 will there be? Let x be the number of groups of 2 and let y be the number of groups of 4