hi i need help with this photo file related to ratios, if you could help me with this that would mean alot, thankyou

Louise measured the perimeter of her rectangular scrapbook to be 154 cm. if the scrapbook is 45 cm wide, how long is the scrapbook?

Which problem would you use the following proportion to solve for? 24/x=40/100 a. what is 40% of 24? b. what percent is 24 of 40? c. twenty-four is 40% of what number? d. forty percent of 24 is what number?

What is the value of -3/4 to the 4th power? -256/81 -81/256 81/256 256/81