Factorise completely 4y^2-z^2

Ann sleeps 8 hours per night. Write an expression for the number of hours Ann sleeps in n nights.

Simplify: (100+4z) 20

Jenny drove 169 miles in 3 hours and 30 minutes how many is it in miles per minute

For f (x) = - 3x+6, find f (-4)

Kitchen goods are on sale for 30% off their regular price. In addition, all goods are subject to 6% tax and a $6 shipping charge. If c represents the original cost of a blender, its total cost can be found using the expression 1.06 (0.7c) + 6.

Use the information given to identify the a_9 term of the geometric sequence: a_4=1/2, r=1/2

Man been says no th figures are parallelograms do you agree with manveen support your answer

What is the sum of 13+52 as the product of their GCF and another sum

Explain how you know 6/6 and 1are equivalent

Which statement is a counterexample to the following conjecture? All mammals are dogs. A. A labrador retriever is a mammal. B. All mammals have hair. C. A spider is not a mammal. D. A cat is a mammal.