Rewrite the equation to represent the resistance of resistor 2, R2, in terms of RT and R1. I Will mark Brainliest giving 100 pts

Which graph shows a function with a range of all real numbers greater than or equal to -1

Find the gradient of f(x,y,z)equals=left parenthesis x squared plus y squared plus z squared right parenthesis superscript negative 1 divided by 2 baseline plus ln left parenthesis x right parenthesis x2+y2+z2−1/2+ln(xyz) at the point left parenthesis negative 2 comma 1 comma negative 2 right parenthesis(−2,1,−2).

Suppose a pendulum is l meters long. the time,t,in seconds that it tales to swing back and forth once is given by t=2.01