91影视

Identify the variable in the expression $21+d$.

Write the product using an exponent.

10鈭�10鈭�10

Explain what the mean of a data set is.

Copy and complete鈥� To add two integers without using a number line, you need to use the ...... of each number.

Write a phrase as a variable expression: the difference of 鈥�15 and a number x.

Find the difference.

$2-6$

Which of these numbers is not an integer: $-31,74,22.5,-7,\text{or}\text{19?}$

Use a number line to order these integers from least to greatest: $-8,5,-4,2,0,6$.

Evaluate the experssion when $x=6\text{and}y=12$

localid="1647945938678" $鈥�y+8$

Apples You buy 10 apples that weigh a total of 4 pounds for $3.92. What is the cost of a pound of apples? How much would 6 pounds of apples cost?