Write using algebra.

If Jim is x years old now, and his sister is twice as old, how old was his sister 7 years ago?

Cakes was 6. What was Maya sold cupcakes in her neighborhood. The cost of preparing the cupcakes $5.39. The money she received from the sale of the cupcakes was $24.00. Wh Maya's profit? F $5.39 $24.00 $29.39 $18.61

Teds needs a average of at least 70 on his three history test. he has already scored 85 and 60 on two test. what is the minimum grade ted needs on his third test

a pentagon is a regular pentagon that has 5 sides, so each side has the same length that is (x - 1.5) cm. The perimeter is 22.5 centimeters. What is the value of x?

Which organism can most likely be classified in the domain bacteria

What is 3/4 - (-2/3) expressed as an improper fraction?

A company that manufactures video cameras produces a basic model and a deluxe model. Over the past year, 30% of the cameras sold have been of the basic model.

What is the inverse function of FX equals 2x + 1

Jamie wants to find out how many students at her school go to the movies at least twice a week. She interviews 175 students and records their gender and a yes if they go at least twice a week and no if they go less than twice a week.

The area of w is 289 pi m². Find the circumference of w A. c=17 pi m B. c = 34 pi m C. c=68 pi m D. c=289 pi m

Rule: Start at 3 and 1/8, subtract 3/4