Write the estimated weight of each dinosaur in scientific notation. argentinosaurus 220,000 brachiosaurus 100,000 apatosaurus 66,000 diplodocus 50,000 camarasourus 40,000 cetioauriscus 19,850 show processing.

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

Asif spent $745.10 on 13 new file cabinets for his office. small file cabinets cost $43.50 and large file cabinets cost $65.95. write and solve a system of equations to find the number of small cabinets and large cabinets he purchased. determine if each statement is true or false. 1. he purchased 5 small cabinets. true or false 2. he purchased 7 large cabinets. true or false 3. he spent $527.60 on large cabinets. true or false

In a right triangle δabc, the length of leg ac = 5 ft and the hypotenuse ab = 13 ft. find: b the length of the angle bisector of angle ∠a.