Ihave an 80 mark math exam this tuesday and there are no study holidays in between. i have 5 chapters coming. i want to practice well for the same. plz me (grade 10 cbse)

How do you determine if an ordered pair is a solution to a given equation?

Scenario: a rectangular plot of ground is 5 meters longer than it is wide. its area is 20,000 square meters. question: what equation will you find the dimensions? note: let w represent the width. options: w(w+5)=20,000 w^2=20,000+5 (w(w+5))/2=20,000 w+2(w+5)=20,000

Pls as soon as ! will award brainliest and 20 ! also the answer is not 22.5 degrees! find the value of x in each case: