Answer:
Step-by-step explanation:
A.
Given parameter:
Side length = 9cm
Unknown;
Area of the square = ?
Solution:
The shape given is a square.
Area of a square = L²
L is the side length
Insert the parameters and solve;
Area of the square = 9² = 81cm²
B.
Given parameters:
Area of the square = 9cm²
Unknown:
Side length = ?
The shape is a square;
9 = L²
L = √9 = 3cm
$.80 or 80¢
US Coin Denominations are as follows:
Quarters: $.25
Dime: $.10
Nickel: $.05
Penny: $.01
We can now use the following
(1*25)+(5*5)+(3*10)=80
x = 15
y = 45
y =45 --- 15 = x
y = 57 ---- ?
57 × 15 / 45
57/3
19
Answer: 56
Step-by-step explanation: pemdas
12×3 =36
36+20=56
56-42= 14
answer is: 14
