91Ó°ÊÓ

Determine whether each of the following is an expression or an equation. \(4(x+3)-2(x+1)-10\)

In Canada, \(\$ 1\) coins are called "loonies" because they have a picture of a loon on the reverse, and \(\$ 2\) coins are called "toonies." When Marissa returned home to San Francisco from a trip to Vancouver, she found that she had acquired 37 of these coins, with a total value of 51 Canadian dollars. How many coins of each denomination did she have?

Solve each equation. $$ |2 x+3|=19 $$

Determine whether each of the following is an expression or an equation. \(4(x+3)-2(x+1)+10\)

Let \(A=\\{1,2,3,4,5,6\\}, B=\\{1,3,5\\}, C=\\{1,6\\},\) and \(D=\\{4\\} .\) Find each set. $$ B \cup D $$

Ahmad works at an ice cream shop. At the end of his shift, he counted the bills in his cash drawer and found 119 bills with a total value of \(\$ 347\). If all of the bills are \(\$ 5\) bills and \(\$ 1\) bills, how many of each denomination were in his cash drawer?

Translate each verbal phrase into \(a\) mathematical expression using \(x\) as the variable. The product of 8 more than a number and 5 less than the number.

Solve each formula for the specified variable. \(C=2 \pi r\) for \(r\) (circumference of a circle)

Translate each verbal phrase into \(a\) mathematical expression using \(x\) as the variable. The quotient of three times a number and 10.

Determine whether each of the following is an expression or an equation. \(-10 x+12-4 x=-3\)