Lissette 's age is 3 years less than twice the age of her sister Francesca. Lissette is 13. Write an equation that can be used to find Francesca's age

Bobby has a bag containing 2 sizes of marbles. The big ones weigh 10 g and the small ones weigh 3 g. If there are three times as many small ones as big ones and the bag weighs 209 g, how many big marbles does he have?

Kevin and Conner are selling subs and sandwiches for a fundraiser. Kevin sold 25 subs and 18 sandwiches for a total of $209.50. COnner sold 15 subs and 20 sandwiches for a total of $162.50. Find the cost of a sub and the cost of a sandwich

A business bought 12 identical computers on sale. The original price, p, of each computer was reduced by $36. Altogether, the business paid $3888 for the computers.

Slope of (8,-4), (-6,-3)

Hikers came across a part of a redwood stump. If the length of the chord is 8 feet, what was the diameter of the tree?

The price of instazoom camera increased from $78 to $90.

Solve the equations using the quadratic formula. x^2 - 4x + 3 = 0 x^2 + 10x = - 25

A race car is driven around a circular track at a constant speed of 180 miles per hour. If the diameter of the track is 1/2 mile, what is the angular speed of the car?

What times whar equals 1200

Evaluare 13+6/y when y=6