Bonjour, j'ai besoin d'aide avec ce problème de maths. 8 au 3 mi-temps au 18e tour. Sry je parle français et pas anglais. J'ai du mettre du colloge mais je suis en 7e année.

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

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.

Sara made $253 for 11 hours of work. at the same rate how much would he make for 7 hours of work?