Use a ratio box to solve this problem. The ratio of new pens yo used pens in the box was 4 to 7. In all there were 242 new pens and used pens in the box. How many new pens were in the box?

Given the formula E=IR what is the formula for R

What percent of 225 is 180

A student wants to simulate 31 birthdays, but she does not have a calculator or software program available, so she makes up 31 numbers between 1 and 365. Is it okay to conduct the simulation this way? Why or why not?

What is the explicit rule for this geometric sequence? 4,4/5,4/25,4/125, ... a) an=15⋅4n b) an=4⋅ (15) n c) an=15⋅4n-1 d) an=4⋅ (15) n-1

Can i get answer for add maths project work Perak state ... for worksheet 8 ... question 2b?

The probability of a randomly selected car crashing during a year in a certain country is 0.04780.0478. if a family has three three? cars, find the probability that at least one of them has a car crash during a year.

1/2n-17/12=2/3n-13/6

Every day two sisters eat the same number of gluten-free rice cakes. Susanna eats 4/5 of a rice cake. Melanie eats 2/3 of a rice cake. How many rice cakes do they eat in one day?

Factor 12xsqared - 36x + 27 Completely

You are making necklaces for your friends. You have 64 blue beads and 40 red beads. Each friend will receive an identical necklace, and all beads must be used.