Answer:
4x and 7x; -3 and 1: these are like terms
Step-by-step explanation:
when finding like terms, look for same variables.
To find out how many students were left handed, we know that if 90% were right handed, then 10% have to be left handed.
30 students x 0.10 = 3 students left handed
Answer:
120:240, 1:2
1:2, 70:140
Answer: x=140
Step-by-step explanation:
Answer:
slope is -11/2
Step-by-step explanation:
