A rectangular cornfield has a length of 7 kilometers ans an area of 63 square kilometers. a. What is the width of the cornfield? <.
b. What will be the area if the length and width are doubled? <.

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

Write an expression that represent sarah’s total pay last week. represent her hourly wage with w monday 5 tuesday 3 wednesday 0 noah hours wednesday 8 only with w wage did noah and sarah earn the same amount last week?

Amotorboat maintained a constant speed of 12 miles per hour relative to the water in going 45 miles upstream and then returning. the total time for the trip was 8.0 hours. use this information to find the speed of the current.