1) Tommy mows lawns and cleans pools during the summer. He earns $20 per lawn and $9 per pool. He needs $1500 to buy a car from his friend. If Tommy plans to mow 41 lawns this
summer, how many pools must he clean to earn at least $1500?

If x=-3 is the only x-intercept of the graph of a quadratic equation, which statement best discribes the discriminant of the equation?

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

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.