B is the correct answer, -1.
Isolate the variable by dividing each side by factors that don't contain the variable.
Answer:
The linear model of her monthly earnings is; Y =1200 +0.03*X. The amount earned is 1350; choice A
Step-by-step explanation:
Let Y denote her monthly earnings and X her total sales. The linear model can thus be formulated as; Y =1200 +0.03*X. We are then to find the value of Y given X =5000. We simply substitute X =5000 into the linear model which yields; Y =1350
Jake wants to post a 600 gram parcel and an 800 gram parcel.
He posts them Second Class.
He pays with a £10 note.
How much change should he get?
10 x 10 = 100 80 x 80 =6400 6400-100= 6300 so that would have to be 3150ft.
A^3=343 in^3
take the cubic root
a=7
Perimeter= 7in+7in+7in+7in=28inch
