What is the answer for - 20 = 7/13

Fully Factorise 5k^2+7k

A man is hiking in Death Valley. He starts at an elevation of 65 feet above sea level and descends to an elevation 30 feet below sea level. How far did the hiker travel? 95 feet 35 feet - 35 feet - 95 feet

Which second degree polynomial function f (x) has a lead coefficient of 3 and roots 4 and 1?

A tree casts a shadow 72 feet long. at the same time, a man who is 6 feet tall casts a shadow 8 feet long. what is the height of the tree?

Write 500% as a fraction and as a decimal

If the number is 5,678.321 what is the underlined digit of the 5

Scientists want to know the total trout population in a part of Lake Michigan. They tagged and released 200 trouts back into the wild. Later, they found 60 trouts in that same part of Lake Michigan, 10 of which were tagged.

If a scale factor of 1/5 is used to make a reduction, what is the base of the original triangle?

How many grams of sodium chloride is in 1 Liter of normal saline?

The price of products may increase due to inflation and decrease due to depreciation. Marco is studying the change in the price of two products, A and B, over time.