Do these ratios form a proportion? 78 large dresses for every 32 medium dresses and 39 large dresses for every 16 medium dresses?​

The area of square garden is 300m squared. how long is the diagonal?

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

What are the measures of angles a, b, and c? show your work and explain your answers. 25 points