Aplumber charges $55 per hour plus a $50 service charge. kevin hired the plumber to install a new hot water heater. what are the total charges if the plumber took 4 hours to complete the installation?
$220
$250
$255
$270

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

Four quarts of a latex enamel paint will cover about 200 square feet of wall surface. how many quarts are needed to cover 98 square feet of kitchen wall and 52 square feet of bathroom wall

Iknow the square root of 2 is irrational