A family purchased t-shirts for a family reunioin. They paid a total of $154 for 8 adult shirts and 15 child shirts. The price of a child shirt was three-fourths the price of an adult shirt. How much was the price of an adult shirt?

Enter the missing numbers in the boxes to complete the table of equivalent ratios of lengths to widths. ? 18 8 ? 10 30 12 ?

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?