Given: and Prove: slope of × slope of = -1 Statements Reasons 1. is similar to Given 2. Property of similar triangles 3. Slope of slope of Definition of slope 4. Slope of slope of Multiplying the slopes 5. Slope of slope of Substitution property of equality 6. Slope of slope of = -1 Simplifying the right side

The monthly texting plan of all star cell is $11 per month and $0.25 per text. the monthly texting plan of top line cell is $14 per month and $0.15 per text. a student wants to set up a system of equations to find the number of texts for which the total monthly cost of the two companies is the same. he uses the variables x and y. he lets y represent the total monthly cost. what will x represent? x = number of texts x = cost of the total number of texts x = total monthly cost x = cost of each text

7x^2-9x+5=0 find the discriminant and number of real solutions

The pet store currently has 30 hermit crabs. over the weekend they sold 15 hermit crabs. what was the inventory before the weekend's sales?