1. If 3x + 4y =0 and x= 2y -5 , find the value of (X, y). 2. The sine of an angle is the ratio of the opposite to the? 3. Calculate the volume of a cylindrical steel bar which is 8cm long and 1.75cm in radius. (Take ) pi 22/7 Please help.

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4