Answer:
her first step should be to multiply the coefficient of the first term by the constant 1 • -3 = -3
Step-by-step explanation:
i looked it up on tiger algebra lol
Answer:
BC = 13
Step-by-step explanation:
Pitagoras:
H^2= 5^2 + 12^2
H^2=25 + 144
H^2= 169
H= V 169 ---- square root
H= 13 -------BC
I think the answer could be either 1:1 or 6:6
Answer: 
Step-by-step explanation:
Given the expression
, apply logarithm to both sides. Then:

Remembert that according the the properties of logarithms:

Then:

Appy distributive property and solve for "x":

Answer:
Step-by-step explanation:
y^2 -x^2=
y^2=9^2=81
x^2=2^2=4
81-4=77