Of the 35 students in my class, 11 practice taekwondo, 11 play piano, and 20 take lessons at AOPS. 4 students play piano and go to AOPS, 3 students do taekwondo and play piano, 5 students go to AOPS and practice taekwondo, and three students do none of these, How many students do all three?

Stacey filled her 1/2 cup of measuring cup seven times to have enough flour for a cake recipe how much flour does the cake recipe calls for

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.

Proving the congruent supplements theorem