A class has a ratio of 1: 2 girls to boys. A class has a ratio of 1: 2 girls to boys. a) What fraction are girls?
b) What fraction are boys?
c) If there are 10 girls in the class, how many boys are there

The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.

The points (1, 7) and (0, 2) fall on a particular line. what is its equation in slope-intercept form?