You should have put a picture so ppl would know what the question is askin
It would be X=3 because 3 multiplied by 1 equals 3 and you get 3 over 21. that simplifies to 1 over 7.
If a figure has exactly three sides, then it is not a triangle.
Answer:
91
Step-by-step explanation:
Mean is calculated as
mean = 
let x be his test score of his last test , then
= 85 ( multiply both sides by 7 )
504 + x = 595 ( subtract 504 from both sides )
x = 91
$143
add the two discounts of 25 and 10 percent. then your item will be 65% of the price now.