Answer:
Step-by-step explanation:
Hey there this si the upper and lower bound for 17
16.5<17<17.5
Answer:
y=-2x+b
Step-by-step explanation:
Just use the formula y=ax+b, and input -2 as A, and 3, as x, and 2, as y, and then simplify.
Answer:
Step-by-step explanation:
6.50$
Answer:
for four copies the cost is $72
Step-by-step explanation:
52 + 5a = 24 + 12a
28 + 5a = 12a
28 = 7a
a = 4
52 + 20 = 72
for four copies the cost is $72
Answer:
772.2
Step-by-step explanation:
Using the method of cross- product
•
=
⇒ ad = bc, thus
85.8 × 9 = 11 × 70.2 = 772.2