Start with the bottom surface area, 7x7=49
then go to the triangles, base times height divided by 2, so (7x14)/2=49
and since there are 4 triangles, multiply 49 by 4 = 196 and add the area of the bottom, which all adds up to 245
The 5 is on the ten thousand place.
800m as 1km is 1000m so 0.8 will be 800m
B can NOT represent y=5x because you are multiplying 5 by x not by y.
Answer:is the first answer 15.875 and the second answer 17 x 28 ÷5
Step-by-step explanation:
