Aperson with type o blood can donate red blood cells to anybody because type o blood is the universal blood type. about 44% of the us population has type o blood. university high held a blood drive where 50 students donated blood.

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

Anyone know these questions? i need ,.

Katie wants to collect over 100 seashells. she already has 34 seashells in her collection. each day, she finds 12 more seashells on the beach. katie can use fractions of days to find seashells. write an inequality to determine the number of days, dd, it will take katie to collect over 100 seashells.