5) If f(x) 5x2, and 3f(2a) = 540 then what could be the value of a? A. -3
B. -1
C. 1
D. 3​

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.

X² + 4y² = 36 the major axis runs along: a) y=4x b) x-axis c) y-axis

If johnny ate 5 cans of sugar, but in the kitchen they only had 3. what did johnny eat? (he found a secret stash btw.)