How many phone number were possible within the state before 1954

$450

step-by-step explanation:

first, you have to multiply 150x2=300

next, you have to add 150+300= 450

part a

in a city ice cream is mostly only bought when the temperature is very high as ice cream cools down our

so we can derive the conclusion that as the temperature increases the number of ice creams sold also increases

part b

y intercept is 5

slope is 2

happy to

pls mark as brainliest