Select all the equations that are a solution of c = 9

X: 4 units of A and 5 units of B per hour Y: 3 units of A and 10 units of B per hour Cost to run machine X:$22/hr Cost to run machine y:$25/hr x=number of hours machine X runs y=number of hours machine Y runs The objective function is C = x+ y.

A map of a city is on a coordinate graph. The school is located at (4,-30) (4,-30), the park is located at (4,10) (4,10), and the library is located at (-10,-30) (-10,-30). What is the distance from the school to the library?

There are 10 cards. They are numbered: 9, 10, 11, 12, 13, 14, 15, 16, 17, 18. One card is randomly picked. What is P (prime number) ?

Find the area of the composite figure in terms of pie 3cm Length and 5 cm in width

If i have three coins what is the possibility of getting at most three heads

What is 65.536 rounded to the nearest whole number

What is the fraction twelve twenties in its simplest form?

A cylindrical tank with radius 5 m is being filled with water at a rate of 2 m3/min. how fast is the height of the water increasing?

Which of the following represents 84 = 7 * 12? A. 84 is 7 times as many as 12 B. 12 is 7 times as many as 84 C. 84 is 6 times as many as 14 D. 7 is 12 times as many as 84

If a square has an area of 1255 sq yards, what is the length of one of the sides of this square?