Solve the following equation for all value(s) of x. can someone do this with ALL work shown please? asap please, and dont answer just for the points

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 20 = x a. 5, 4 b. -5, -4 c. -5, 4 d. 5, -4

"curse these trig-loving pirates! " devora mutters as she looks at the map. then, after thinking for a moment, she walks back to the entrance of the secret cave, measuring 48 meters along the way. after performing a calculation, devora walks back to the empty treasure, faces the entrance, and turns a certain number of degrees to her left before walking 89 meters to the treasure. supposing that the angle at the cave entrance is acute and that devora's calculations were correct, how many degrees did she turn?

Using this spinner and a number cube, which simulation would you answer this question? a school survey of 90 sixth graders showed that 25% of them play basketball and about 17% play soccer. what are the chances that a sixth grader plays basketball and soccer?