X+3y=7
x-3y=1
add them together
x+3y=7
<u>x-3y=1 +
</u>2x+0y=8
2x=8
divide 2
x=4
subsitute
x+3y=7
4+3y=7
subtract 4
3y=3
divid 3
y=1
x=4
y=1
answer is A
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Answer:
statistics
Step-by-step explanation:
Statistics is the science of collecting, organizing, analyzing, and interpreting data in order to make decisions. A population is the complete collection of all elements (scores, people, measurement, and so on) to be studied. The collection is complete in the sense that it includes all subjects to be studied.
The way u can get ur answer is multiply 17 time 5 then u will get your answer
Answer:
1 solution
Step-by-step explanation:
The lines intersect 1 time
Answer:
C
Step-by-step explanation:
The ratio is 1:4 so 1 of the object equals 4 of the scale drawing
30*4=120^2 cm
