Xy=49
x-y=13
x=13+y
y(13+y)=49
y²+13y-49=0
solve using the quadratic formula
42% of what is 63
0.42x = 63
x = 63/0.42
x = 150
There are 150 dancers in the school
the answer of -14 +15 is 1
Answer:
all real numbers or infinity
Step-by-step explanation:
this function is linear and linear functions always have an infinite domain and range
Answer:
Diagonal = 12"
Step-by-step explanation:
Learn your theorems.