Line QR goes through points Q(0, 1) and R(2, 7). Which equation represents line QR? y – 1 = 6x
y – 1 = 3x
y – 7 = 2x – 6
y – 7 = x – 2

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

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?