Answer:21x^2-16x-16
Step-by-step explanation:
(3x)(7x)+(3x)(4)+(−4)(7x)+(−4)(4) =
21x^2+12x−28x−16
21x^2−16x−16
Answer:
y= 9.50x + 22.50
Step-by-step explanation:
x= number of shirts bought
9.50 is the cost for one shirt, plus the flat fee of 22.50$
Your answer is: 20
They have 4 different backgrounds and 5 different poses which means you just have to multiply the 4 backgrounds*the 5 different poses to discover how many different pictures you could have at the most.
hope this helps!
Fifth grade has 24 students per each teacher.
Sixth grade has about 23 students per teacher.
Sixth grade is lower.
Answer:
667 boxes
Step-by-step explanation:
-Given that x is the demand and p the price.
-Let k be the constant of proportionality. We then express the inverse relationship as:
#We substitute for the new x value and the calculated k to solve for p:
Hence, the demand at a price of $6 is approximately 667 boxes
