How many grams are equal to 7 kilograms

Sandy works at a clothing store. She makes $9 per hour plus earns 10% commission on her sales. She worked 74 hours over the last two weeks and had a total of $2,057 in sales before taxes.

What is the value of f (12) - f (8) when f (x) = 3x+9

The variables x and y vary inversely, and y = 5 when x=2. Write an equation that relates x and y. Then find y when x = - 1.

Which property is demonstrated by following statement 16 + (22+a) = 16 + (a+22)

Daisies cost $3 each and lilies cost $7 each. Marissa spends $21 on flowers to brighten up the room. Write an equation it standard form to represent the situation

A restaurant has been expanding its business. Last year, it sold an average of 460 tacos a day. This year's daily sales are 160 percent of last year's. What is the daily average number of tacos the restaurant is selling this year?

Round 0.85 to the nearest tenth

Standard form of y=1x+3

Julio invested $2,000 in a simple interest account for 3 years. She has earned $150 interested by the end. What was the simple interest rate of the account?

Camille buys $50 worth of books at Target. She has a coupon for 10% off her entire purchase. What is the total cost of the books after the coupon is applied?