9x-4y=-7 7x-12y=39

You invested $4000 between two accounts paying 4% and 8% annual interest respectively if the total interest earned for the year was $200 how much was invested at each rate

How do I find Slope 10x=8y-7

You flip a coin and roll a regular six-sided number cube. Find the probability of flipping tails and rolling an even number

Subtract a - 4$ from 4a + 16 and simplify your answer. The variable (A) should appear only once in your answer.

During a trivia game you answered 18 out of 25 question correctly. Your friend answered 0.7 of the questions correctly. Write a numver sentence for who had the greater number of correct answers

200 is 10 times as much as

A glass of lemonade took 3 5/9 scoops of sugar if you wanted to make three glasses how many scoops of sugar would you need

49 = 72 in logarithmic form

Paul made a square patio that is 30 feet wide. What is the area of the patio?

Emily convinced her mom to buy a giant box of her favorite cereal. Her mom doesn't think the box will fit on their shelf. The volume of the box is 10000 cm