Answer: They spend 5.368 × 10⁹ all together on ice cream and baby food between 2008 and 2009.
Step-by-step explanation:
Since we have given that
Amount spent on baby food between 2008 and 2009 = 
Amount spent on ice cream between 2008 and 2009 = 
We need to find the total amount spend all together on ice cream and baby food.
Total amount would be

Hence, they spend 5.368 × 10⁹ all together on ice cream and baby food between 2008 and 2009.
When you bring something up or move something down, you have to multiply the exponent by -1. So in this case, you are bringing up the exponent. Multiply 5 by -1 and your answer should be x^5/1.
Answer:
40%
Step-by-step explanation:
Total students = 30
No. of girls. = 12
Girls % = ?
Girls % = No. of girls/Total students * 100%
= 0.4 * 100
= 40%
Okay, I attached the image, if you have questions about graphing, go to use desmos
<span>If QRST is a rectangle with QT = 50 and RS = 4x + 8, find x.
.
QT = RS (opposite sides of a rectangle are equal)
50 = 4x + 8
42 = 4x
10.5 = x</span>