Answer:
12 Marshmellow weight=7.2×12=86.4grams
Answer:
45$ per house cleaned
Step-by-step explanation:
135$ / 3 houses = 45
225$/ 5 houses = 45
Answer:
30 and 9
Step-by-step explanation:
x+y=39 , x-y=21
Solve for x:
x+y=39 , x-y=21
x= 30
Substitute x with 30:
(30)+y=39 , (30)-y=21
Solve for y:
y=9
Answer:
first one with -1...21
Step-by-step explanation:
only one that follows quadratic formula format
|-11| > |-10|
this is because the absolute value is always a positive number. therefore, it is really 11 > 10.