Answer:
Step-by-step explanation:
11.
Area as sum: 
Area as Product: 7(d+4)
12. Area as sum: y*y+y*3
Area as Product: y(y+3)
Step-by-step explanation:
A compound contains atoms of different elements chemically combined together in a fixed ratio. An element is a pure chemical substance made of same type of atom. ... Compounds contain different elements in a fixed ratio arranged in a defined manner through chemical bonds. They contain only one type of molecule.
Answer:
Step-by-step explanation:
V≈24543.69
Step-by-step explanation:
Distance = Speed x Time
Given Distance = 40km/h or kph
Time = 5 hours 15 minutes
=

Distance Travelled = 40 kph x 5.25 hours
= 210km
#b. The equation y = 50x + 200 represents the total cost that the contractor will charge for x hours of work.
#c. (1, 250); (2, 300); (3, 350)