What is the algebraic expression for 7 more than a number

A foundry has been commissioned to make souvenir coins. The coins are to be made from an alloy that is 40% silver. The foundry has on hand two alloys, one with 50% silver content and one with a 25% silver content.

On Karen and her 4 friends made 115 cupcakes. They are sharing the cupcakes evenly. How many cupcakes does each friend get?

What is the range of the function y=3/x+8?

Evaluate the tangent of 28° rounded to four decimal places. tan28° =

The number of accidents that a person has in a given year is a Poisson random variable with mean $. However, suppose that the value of $ changes from person to person, being equal to 2 for 60 percent of the population and 3 for the other 40 percent.

Find the length of the rectangle if x=10

Is 4,300 m greater, less, equal to 43km

For all values of x. which expression is equivalent to (3x + 2) + 2 (3x + 2)

walter's salary this year is $23,400. If this is $1,700 more than he made last year, what was his salary last year?

Joel spent $15.23 on a gift for his sister and $18.90 on a gift for his mother. how much did he spend altogether? a. $33.13 b. $34.03 c. $34.13 d. $34.23