1x+1=x+1, 1x+-1=x+1, - 1+-1=x+1, - 1x+1=x+1. which one has exactly one solution

Solve the inequality 5 - 8x < 2x + 3

A restaurant sold hamburgers and hotdogs. The number of hamburgers sold was 4 more than twice the number of hotdogs. Altogether, the restaurant sold 301 hamburgers and hotdogs. How many of each did they sell?

Mr. Fat needs 20 minutes to eat a pound of cereal, while Mr. Thin needs 30 minutes. If they eat together, how long does it take for them to finish off three pounds of cereal? Express your answer in minutes.

A rectangle has a perimeter of 26 feet. Twice its length (l) is one foot more than three times its width (w). What is the length of the rectangle, in feet? A. 5 B. 13 C. 8 D. 16

The outside temperature at midnight today in Polina's hometown was 18 degrees F. The temperature increases by 1.2 degrees F each hour over the next 15 hours.

You're driving down the highway late one night at 17 m/s when a deer steps onto the road 45 m in front of you. Your reaction time before stepping on the brakes is 0.50 s, and the maximum deceleration of your car is 12 m/s2. a.

28 grams x 10$ = $280 or $200 street price ...

The league championship 800 meter race has 9 runners. In how many different ways they place first, second and third?

Rectangle x measures 7cm by (x+1) cm. Rectangle B has dimensions of (3x+6) cm and 4cm. The area of rectangle X is half the area of rectangle Y. Calculate the lengths of the sides of the rectangles, and hence, their areas.

A gym membership costs $50 to join and $12 each month. write and use an algebraic expression to find the cost of the gym membership for 6 months.