Can you add proper fractions to mixed numbers? if so what is 5/8+1 and 3/4? : )

For what value of (y) is 3^3/3^y =1/9

Evaluate 3(a + b + c)squared for a = 2, b = 3, and c = 4. a. 54 b. 243 c.729 add solution .

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest