At the amusement park there were t-shirts for sale for $18.95 each. James bought 4 of them. About how much did he spend? 1. 24$
2. 75.80$
3. 80$
4. 60$

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.

Having a hard time understanding this question (see attachment).

The scatter plot shows the number of animal cells clara examined in a laboratory in different months: plot ordered pairs 1, 20 and 2, 60 and 3,100 and 4, 140 and 5, 180 what is the approximate predicted number of animal cells clara examined in the 9th month?