What’s the error? don’t tell the teacher that i done that. it’s not true!

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28

Use the following statements to write a compound statement for the conjunction or disjunction. then find its truth value. p: an isosceles triangle has two congruent sides. q: a right angle measures 90° r: four points are always coplanar. s: a decagon has 12 sides. a) a right angle measures 90° or an isosceles triangle has two congruent sides; true. b) a right angle measures 90° and an isosceles triangle has two congruent sides; true. c) a right angle measures 90° and an isosceles triangle does not have two congruent sides; false. d) a right angle measures 90° or an isosceles triangle does not have two congruent sides; true.