Divide 14/18 then divide 16/20. 14 divided 18 is .777 while 16 divided by 20 is .80. Therefore Trey did better.
30 - 2(7 + 2) - 1
Distribute -2 into the parenthesis:
30 - 14 - 4 - 1
Subtract from left to right:
16 - 4 - 1
12 - 1
11
0.887 grams is equal to 887 milligrams.
Hope this helps!
Answer:
Since this triangle seems to be 180 degree, and one angle is 90 degrees and the other is half thslat value (45), the other value will be 45 degrees. It is an Isosceles triangle