1. Ecuaciones de 1 y 2 pasos: Despejar y encontrar el valor de la variable. > 1. X + 2 = 20

2. 4X-7 = 13

3. 30-X= 57

4. 35 = 7X

5. X-9= 8

6. 45 : X = 5

7. -27 = -3X-3

8. 6X + 7 = -53

9. 100 + 10X = 150

10. 30X = 300​

If sin θ=24/25 and 0 less than or equal to θ less than or equal to π/2, find the exact value of tan 2θ. answers; a) -527/336 b) -336/527 c)7/24 d) 24/7

Graph red beads cost $1 an ounce and gold beads cost $3 an ounce. juanita wants to purchase a 12-ounce mixture of red and gold beads that she can sell for $2 an ounce. the solution of the system shows the number of beads needed for juanita to break even. x + y = 12, x + 3y = 24 how many ounces of red beads will juanita buy to break even? how many ounces of gold beads will she buy?

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.