On the first day of June, there were about 17.79 h of day light in a city, five months later there was about 9.50 h of daylight, what was the percent decrease?

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 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?

There are 7 scissors in the drawer. Keith placed 2 more scissors in the drawer. How many scissors are now there in total?