Joe is 20 years old. His sister is half his age less 7. How old is his sister?

I think the answer is 3 but I'm not sure

Solve the equation: x2 + 5x - 2 = 0

F there are total of 589 guests at a wedding and 67 more bride's guests than groom's guests, how many guests came for the bride and the groom separately?

12.5 is 25% of what number

When converting from inches to feet, the measurement in inches, m, of an object varies directly with its measurement in feet, f, with the constant of variation being 12. What is the equation relating these two quantities? How many inches would a 3.

Write a 4 - digit number that is less than 2,340

What is a antonym for the word finish

The local office supply store charges $0.08 per page to make photocopies. Lionel paid $20.00 for a set of copies. How many pages did Lionel have copied? 16 25 160 250

What's equivalent to 15/35

Each day Ernesto drives 52 miles. If he can drive 26 miles on one gallon of Gasoline, how many days can he drive on 14 gallons of gasoline?

Liam's mass is 102.1 kg. choose the best approximation of Liams mass