In ΔHIJ, the measure of ∠J=90°, the measure of ∠I=74°, and IJ = 3.7 feet. Find the length of HI to the nearest tenth of a foot.

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.

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap