Answer:
A.-34t
B.-21x
C.2x+7y-15
D.3xy+27
Step-by-step explanation:
For the first 2 questions just take out the variable and add or subtract all the numbers. For the next 2 simplify one variable at a time. It always goes in alphabetical order.
Condense the logarithm on the right side:




So,

and
, which makes (4) the correct choice.
Answer:
√185 = 13.6
Step-by-step explanation:
Distance² = (x' - x)² + (y' - y)²
Distance² = (-7 - 4)² + (5 - -3)² = (-11)² + (8)² = 121 + 64 = 185
Distance = √185
Answer:
5x+3=4
Step-by-step explanation:
I hope this helps.