30. fund-raising the sophomore class holds a car wash to raise money. a local
merchant donates all of the supplies. a wash costs $5 per car and $6.50
per van or truck.
define a variable for the number of cars. define a different variable for the
number of vans or trucks.

What is the y intercept of f(x)=(1/2)^x?

Compare the cost of the bike trips from the two companies shown.for both the cost in a linear function of the number of days which statements is true

which of the following sets of data would produce the largest value for an independent-measures t statistic? the two sample means are 10 and 20 with variances of 20 and 25 the two sample means are 10 and 20 with variances of 120 and 125 the two sample means are 10 and 12 with sample variances of 20 and 25 the two sample means are 10 and 12 with variances of 120 and 125