Dina is H years old. Edward is 4 years older than Dina, and Sarah is twice as old as Dina. The expression H+H+4+2H gives the sum of their ages

Mariana had a $20 gift card to an online music store. she spent the entire amount on songs, which cost $1 each, and music videos, which cost $2 each. Mariana bought five more songs than music videos.

A school as 625 students and 325 of them are girls. what fraction of them are girls

I need the answer really soon! What is the standard form of the number shown in this calculator display? 1.46e-6 Enter your answer in the box. P. S. the one is part of the number

Sylvia read that the height of the Empire State Building is 443.2 m and wants to build a scale model of the building in her room. She knows that the height of the ceiling in her room is 8 ft.

Convert 6 4/9 into a decimal

Eli is making guacamole. He uses 2 tablespoons of cilantro for every 3 avocados. At this rate, how many tablespoons of cilantro will he need for 9 avocados?

How do you find the mean, median and mode?

1 3/4*2 1/2 in simplest form

Which of the following is equivalent to (n-3) (n-5) a. n2-8n+15, b. n2+8n-15, c. n2-15n+8

A pencil making machine took 1/4 of a second to make enough pencils to fill 1/2 of a box. At this rate, how long would it take the machine to fill the entire box?