7. Kiara answered 90% of the questions on her science test correctly.

There were 50 questions on the test. How many questions did Kiara answer correctly?

Which statements are true? see picture

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

Bring the fraction a/a-4 to a denominator of 16-a^2