Answer:
20 years old
Step-by-step explanation:
Joe = J
Sydney = S
J = 5 + S
J + S = 45
Substitute
5 + S + S = 45
Add
5 + 2S = 45
Subtract 5 from both sides of the equation
2S = 40
Divide both sides of the equation by 2
S = 20
Sydney is 20 years old
Hope this helps :)
Answer:
by my best guess, x = -5 (negative five)
Step-by-step explanation:
Question:
Simplify the following expression:
÷
A.1/12
B. 1/64
C.12
D.64
Answer:
B. 1/64
Opposite of the integers:
+56
+340
-39
-201
-1124
Solid figures:
Cube
Rectangular prism
Cylinder
Octahedron
Triangular pyramid