4. John is buying Christmas gifts for his family. He buys both of his brothers a
DVD that cost $19.99 each. He buys his
sister a $5.00 hair bow and 3 jars of nail
polish that are $1.25 each.
a) How much did he spend total?

$48.75

Step-by-step explanation:

Since you used the word "Both" it indicates that he has 2 brothers. And their total will be $40.00. And His sisters total for the gifts will be $8.75. Adding those will get you $48.75.

step-by-step explanation:

f(x)=2x^2 -1 

translation is a function transformation that transform the function in a way of translating. by translating the function its graph is moved  up an down. moving the function f(x) 2 units to the left will be the new function g(x) with the equation: g(x)=f(x+2)=2(x+2)^2 -1

d 600 because 15*10*2=300

300+300=600

step-by-step explanation: