I’m thinking your r in the first equation is actually an x.
X + 2(2x -4) =10
X +4x -8 =10
5x = 18
Negative exponents mean that the base is on the wrong side of the fraction line. For example, x^-2 is the same as 1/x^2. In this example, 1/2^-2 would be 2.
2/1^2 = 2
What's 111111 - 3 + 34. Whoever gets it right, we will do brainliest for brainliest.
that would 111142
Answer:
26
Step-by-step explanation:
So it's 2.5 inches, so it would be 15 miles, because 6+6+3=15.
