50% of the babies are born female. olive wants to find the probability that 20 or more of the 50 babies born today were female. we need to design a simulation. which random device can be used to best represent this situation?
a. double sided coin heads females, tails males
b. use a random generator use number 1-100, assign 1-20 as female and 21-100 as male
c. use a pair of dice. doubles for female and the rest for male
d. use a spinner with 50 parts and assign 20 parts as female and 30 parts for male

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)

Choose the more precise measurement. 26.4 cm or 8.39 cm

Guys i need ! graded assignment grade 8 checkpoint 2, part 2 answer the questions below. when you are finished, submit this assignment to your teacher by the due date for full credit. total score: of 9 points (score for question 1: of 4 points) 1. the cost of renting a car for a day is $0.50 per mile plus a $15 flat fee. (a) write an equation to represent this relationship. let x be the number of miles driven and y be the total cost for the day. (b) what does the graph of this equation form on a coordinate plane? explain. (c) what is the slope and the y-intercept of the graph of the relationship? explain.