Open-Ended Write an equation to represent the following description. Use pencil and paper. Describe a real-world situation the equation could represent.
Eighteen less than four times a number is – 15.
Choose the correct answer below.
OA. 4x + 18 = - 15
OB. 18x - 4 = - 15
OC. 4(x - 18)= - 15
OD. 18x + 4 = - 15
W
OE. 4x - 18 = - 15

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.

30 points and i will give brainliest the club will base its decision about whether to increase the budget for the indoor rock climbing facility on the analysis of its usage. the decision to increase the budget will depend on whether members are using the indoor facility at least two times a week. use the best measure of center for both data sets to determine whether the club should increase the budget. assume there are four weeks in a month. if you think the data is inconclusive, explain why.

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x