The triangle a b c has coordinates of a, negative 6, negative 7, b, 4, negative 2, and c, 0, 7. find the coordinates of its image after a dilation centered at the origin with a scale factor of 2.

a. a(–12, –7), b(8, –2), c(0, 7)

b. a(–6, –7), b(4, –2), c(0, 7)

c. a(–3, –3.5), b(2, –1), c(0, 3.5)

d. a(–12, –14), b(8, –4), c(0, 14)

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

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

Hiroaki wants to find 3 3/4 - 7/8 explain why he must rename 3 3/4 to do the subtraction.