Clare's school took a field trip. a total of 21 vehicles were needed. some students went in busses and some went in cars. each bus held 30 students and each car held 4 students. a total of 318 students went on the trip. how many busses and how many cars were used?

Use the multiplier method to incrases £258 by 43%

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

Suppose i pick a jelly bean at random from a box containing one red and eleven blue ones. i record the color and put the jelly bean back in the box. if i do this three times, what is the probability of getting a blue jelly bean each time? (round your answer to three decimal places.)