Answer:
mean is the average set of Numbers
Step-by-step explanation:
mean = 7+5+9+5+12 all divided by 5
38/5
The cost should be the same on day 3
Answer: $2200 is sold on sale for $1950.
Step-by-step explanation:
Answer:
S = x + 10
R = 2x + 10
Step-by-step explanation:
If R is Roberto's age, and S is his sister's age, then:
R = S + x
R − 10 = 2 (S − 10)
Solve with substitution.
S + x − 10 = 2 (S − 10)
S + x − 10 = 2S − 20
S = x + 10
R = 2x + 10
Answer:
the number of beads in a jar. took test got it right.
Step-by-step explanation:
