Which of the following is the equation of a circle whose center is at the origin and whose radius is 4?

A. x2 + y2 = 2

B. x2 + y2 = 4

C. x2 + y2 = 16

What is the greatest 3 digit number divisible by 48

A chemist needs to mix up 50 gallons of a 60% acid solution She only has 50% and 75% solutions on hand, How many gallons of each should she mix together?

A triangle has a base of 3 cm greater than five times its height. What is the area of the triangle when its height is 6 cm 115 cm² 60 cm² 33 cm² 99 cm²

What is the answer to - 4-7x=31

The area of a right angled triangle is 600cm^. if base of the base of the exceeds the altitude by 10, find the dimensions of the triangle

The school student council sponsor a switch day where students were able to switch classes every 20 minutes the students are in school for seven hours if a student switches as often as possible how many classrooms in all did that student visit

What is the awnser to 92 times 68

The decimal 0.15 can be written as which fraction?

A ferryboat makes four trips to an island each day. the ferry can hold up to 88 people. if the ferry is full on each trip how many passengers are carried by the ferry each day.

Cat and Dog had a competition over who is faster. Cat's jump is 5% shorter, but it makes 5% more jumps than Dog does in the same time. Who will win the competition?