Question 1 On problem #2, which variable will be the easiest to isolate in order to use substitution?
a: x, in the top equation
b: y, in the top equation
c: x, in the bottom equation
d: y, in the bottom equation
Can someone please help me!! please!

The magnitude, m, of an earthquake is defined to be m=log l/s, where i is the intensity of the earthquake (measured by the amplitude of the seismograph wave) and s is the intensity of a “standard” earthquake, which is barely detectable. what is the magnitude of an earthquake that is 1,000 times more intense than a standard earthquake? use a calculator. round your answer to the nearest tenth.

Type the correct answer in each box. spell all the words correctly, and use numerals instead of words for numbers. if necessary, use / for the fraction bar(s).

Which statement about 6x2 + 7x – 10 is true?