Answer:
I'm assuming the order corresponds the student to the equation. Because of this, the answer is simple:
Bert, Etsuko, and Camille.
Step-by-step explanation:
2x-9=-1, 2x=8, x=4
2(x-10)=-12, x-10=-6, x=4
-2x+12=4, -2x=-8, x=4
Answer:
136
Step-by-step explanation
multiply 4 by 31 and add 20
About 172 centimeters tall.
Since he is about 3/4 his average adult height, you simply divide his current height by .75
129/.75 = 172
The greatest common factor would be 1.
Answer:
RQ+SQ=RS
Step-by-step explanation:
Use the same reasoning as the first example. You could draw it if that helps.
R----------------------------Q-----------------------------S
RQ + SQ = RS