Can somebody explain how to convert fractions with different denominators to fractions with the same denominator

Jane, Kindra, and Joyce have old coin collections. Jane has 3 times as many coins as Joyce. Kindra has 2 more than twice the number Joyce has. Together they have 56 old coins. How many coins does each of them have?

Convert 0.78 meters to milimeters

How to factor with a number in front of the first variable?

Select the correct answer. If the factors of quadratic function gare (x-7) and (x + 3), what are the zeros of function g? O A -7 and 3 -7 and - 3 O C. 3 and 7 OD. -3 and 7

Mila and her children went into a grocery store and she bought $6 worth of apples and bananas. Each apple costs $1.50 and each banana costs $0.50. She bought a total of 8 apples and bananas altogether.

If f (x) = - x + 4 and g (x) = x^2 - 5, then g (f (3)) = ? A) - 8 B) - 4 C) - 3 D) 0

F K = (x, y), is Set K a function?

70% of the 100 students in Middle School cafeteria bought their lunch some of the students that bought their lunch leave the cafeteria to attend an assembly now only 60% of the remaining students brought their lunch how many students are remaining

What percent of 150 equals 24.9

Raul wants to buy a new collar for each of his 3 cats. The collars come in a choice of 4 different colors. Step 2 of 2 : How many selections of collars are possible if repetitions of colors are not allowed