Step-by-step explanation:
They told about a place in the Andes Mountains where people worshipped chieftains covered in gold…”
Answer:
A
Step-by-step explanation:
Difference of squares: (a^2 - b^2) = (a - b)(a + b)
(144x^2 - 49) = (12x - 7) (12x + 7)
Answer:
4 students were missing
Step-by-step explanation:
A teacher reserved 6 sheets of colored paper for each of her 28
students do a job. As some students were missing, the teacher gave 7
sheets for each student present. How many students were missing?
6*28=168
3x = 5y - 1
(3,3)...not a solution
(7,4)...not a solution
(-1/3,0)...is a solution
(-2,-1)...is a solution
1/2 Kg of Cherries
Give both 2/5 and 1/10 a common denominator- 10
4/10 + 1/10 = 5/10 = 1/2