by selling an article Sonu makes a profit of 20% if the CP decreases by 10% and SP also increases by 10% calculate her profit percentage​

60 2(x + 2) in the diagram, gef and hef are congruent. what is the value of x?

If two angles of a triangle have equal measures and the third angle measures 90°, what are the angle measures of the triangle? a. 60°, 60°, 60° b. 45°, 90°, 90° c. 30°, 30°, 90° d. 45°, 45°, 90°

X/y + 4y/x divided by x/y - 2y/x explain as in depth as you can how you simplfied the fractions. i don't know where to start on this : /