3x-5y=7, x=2y+4 solve by system of equation

The managers of a large company wished to know the percentage of employees who feel "extremely satisfied" to work there. The company has roughly 31,000 employees. Three scenarios are given in parts a through c below.

The cost of a hamburger is $4.50. Each additional hamburger costs $2.00. Sully wrote this explicit rule to explain the sequence of costs: f (n) = 2 + 4.5 (n - 1). Using this rule, he found the cost of 14 hamburgers to be $60.50.

Find the measure in degrees and radians of the angle representing 7/8 of a circle.

What is the distance between - 1 and 7 on the number line?

Evaluate 2.34 x 10 cubed

A surgical instrument is 150 millimeter long. The scale is 1mm:1/2cm. what is the model length?

37 1/2% is what as a fraction and decimal?

For exercises 14-19, find an equation for the line that satisfies the conditions

It takes three hours for a boat to go 18 miles downstream, and nine hours to return. What is the rate of the boat in calm water and the rate of the current?

A bag contains purple marbles and yellow marbles, 86 in total. The number of purple marbles is 2 more than 5 times the number of yellow marbles. How many purple marbles are there?