Can a ray be part of a line

Simplify 3x-7+2x . . . . .

1. - 28 = - 3n + 5 what is n? 2.5-n3=-4 what is n?

Theresa has $26 in her wallet. the bulls are worth either $5 or $1. if there are 14 bills total, how many does she have of each type a. 11 fives and 3 ones b. 4 fives and 10 ones c. 2 fives and 12 ones d. 3 fives and 11 ones

What is the number of real solution? - x²+9x+7=0 a) one solution. b) no real solution c) two solution. d) cannot be determined

If brady spends 19.50 on gas, what is the total distance the boys could travel?

1/3 + 3/9 equals what?

6 to the x power is equal to 1 6^x=1 What will the value of x be.

If you went to the hospital and you have a deductible of $250 and your bill was $1,000 dollars, how much money do you owe?

A barge moves 7km/hr in still water. It travels 45km upriver and 45km downriver in a total time of 14 hr. What is the speed of the current.

Three vertices of a rectangle have coordinates (-6, 2), (-6,-1), and (4, 2). What are the coordinates of the fourth vertex of the rectangle?