Evaluate 5*13-8+13-6+12.

Three deep fryers each require ${\displaystyle 2\frac{1}{2}}$ gal of cooking oil. If there are ${\displaystyle 10\frac{1}{5}}$ gal of cooking oil available, how many gallons of cooking oil remains after the 3 empty fryers are filled?

Evaluate ${\displaystyle \left(\frac{21}{25}\right)\cdot \left(\frac{100}{3}\right)}$

How do I enter this ratio of ${\displaystyle 14\frac{1}{7}\text{ to }7\frac{6}{7}}$ into a fraction in its lowest terms

True or False: Linear or measurement models for fractions supports the idea that a fraction is a number with a position on a number line.

How do you figure out this fraction? 1/2+1/4=

Find the LCD of the following expressions. Write LCD in factored form.
${\displaystyle \frac{5}{16p^2+8p+1}}$ and ${\displaystyle \frac{4p}{-8p^2+10p+3}}$
LCD: ?

Tell whether each number in the list is a real number, a ratonal number, an irrational number, an integer, or a whole number. Then order the numbers from least to greatest.
${\displaystyle \sqrt{64},-5,\sqrt{9},2}$
-5, 2, 9, 64