You are having your car repaired by a mechanic. you paid $200 for the new parts, and it cost $50 per hour for the labor. your total cost was $475. how many hours of labor did you pay for? this word problem needs to be modeled with an inequality and solved. can you me?

Suppose a man is heterozygous for heterochromia, an autosomal dominant disorder which causes two different‑colored eyes in an individual, produced 25‑offspring with his normal‑eyed wife. of their children, 15 were heterochromatic and 10 were‑normal. calculate the chi‑square value for this observation.

Choose the number sentence that shows the identity property of addition. a. 122 = 61 + 61 b. 62 = 1 + 61 c. 61 = 0 + 61

Given abcd ac=38 and ae=3x+4 find the value of x