For every 1 girl in Mr Hegarty's class there are 4 boys. What is the ratio of boys to girls in the class? Give your answer in its simplest form.

Write an equation perpendicular to the line 6x+12y=24 and passing through (4,0)

Solve BC=3 cm what type of congruent figure is it

What is - 5/6k greater than equal to - 15?

Table close minimize Degree Male (in thousands) Female (in thousands) Marginal Totals Associate 298 489 787 Bachelor 685 916 1,601 Master 260 397 657 Professional 47 45 92 Doctorate 32 35 67 Marginal Totals 1,322 1,882 3,204 This two-way table

2. Which of the following might cause pollution? (a) car exhaust (c) oceans (b) chemicals (d) people

The area of an oil spill is doubling in size every day. At the start of the day on May 1, the oil spill covers 20 square meters. During which day will the area exceed 500 square meters?

Which fraction is equivalent to 0.5? A. 0/5 B. 5/10 C. 5/100 D. 2/1

Solve the following quadratic x^2-121=f (x)

Determine the probability P (3) for a binomial experiment with n = 12 trials and the success probability p=0.2. Then find the mean, variance, and standard deviation. Part 1 of 3 Determine the probability P (3).

The postal service charges $2 to ship packages up to 5 ounces in weight, and $0.20 for each additional ounce up to 20 ounces. After that, they charge $0.15 for each additional ounce.