How many combinations of 4 students can a teacher choose from 30 students? A. 27,405 B. 120 C. 657,720 D. 810,000

In a test, Section A has 80 marks Section B has 120 marks Riya scores 55% in Section A 70% in Section B. To pass, Riya needs to score 65% of the total marks. Does she pass? You must show your working.

A base of a triangle is 3 cm and the height is 5 cm. What operations described must be performed in order to find the area of the triangle?

Does - 3 - (-24) = 21?

Round the number 3,250.0883 to the nearest hundredth. 3,300 3,250.088 3,250.09

You have the option to get a health insurance policy with a $200 deductible provision (per claim) for major medical procedures.

What should be added to 6 7/15 to get 8 1/5?

Len needs to run at least 3 miles a day to get ready for a cross-country race. One lap of the school track is 400 yards. If len runs 10 laps a day will he cover at least 3 miles? Explain

What is a separable differential equation? How do you solve it?

Glen is buying flowers bulbs for his garden. He wants to buy the same number of tulips and daffodils. If tulip bulbs come in packs of 2 and daffodil bulbs come in packs of 8. What is the least number of each type of bulb Glen will buy

Jonah has an even number of golf balls. He has more than 13 and less than 16 balls. How many golf balls does he have