How do you solve the following

6/13=3/c

A clerk was asked to change a $10 bill. She returned 9 more dimes than nickels and twenty-one more quarters than dimes. How many coins of each did she return?

What value of b makes the trinomial below a perfect square x2 - bx + 16

The area of a rectangle is 54cm. The length is 2cm more than a x and the width is 5cm less than twice x. Solve for x. Round your answer to the nearest whole number.

Megan is making bracelets to sell to earn money for the local areal shelter i takes her View Eram how to sick out all the beads and - hour to string them. This week, she only he Sto make bracelets. How 10 many bracelets will Megan be able to make!

Write an equation for the translation of the function. y = cos x; translated 6 units up

Write word phrase to represent the numerical expression below. 4 + (27-10)

Find the value of y when x=2 - x - (-2) = y

In a group of 21 students, 8 students take Art courses, 7 students take Music courses. Two students take both courses. A student is chosen randomly from this group. What is the probability that the student takes either Art or Music courses? 57

5% of what number is 63?

Find the sum of the "n" terms of the series: Sn=1²+3²+5² + ... + (2n-1) ²