How to find if a triangle is acute or obtuse with side lengths?

What is equivalent to 11/7 in a ratio

The perimeter of a rhombus is 40 cm, and one diagonal is 12 cm long. How long is the other diaganol?

Which system of equations can be graphed to find the solution (s) to x2 = 2x + 3?

How do i solve this equation of x-9=4.68

Allison has more than 2 but less than 3 hours to spend on her homework. she has work in maths, english, and social-studies.

Oliver uses the greatest common factor and distributive property to rewrite this sum: 64+96

The sale price of a jacket is 77% of its original price. The jacket originally costs $87. Which expression gives the most reasonable estimate of the sale price? One-half (90) One-half (100) Three-fourths (90) Three-fourths (100)

If a snowball melts so that its surface area decreases at a rate of 7 cm2/min, find the rate at which the diameter decreases when the diameter is 10 cm.

Explain how find is 7 x 20 is similar to find 7 X 2000 product

What 2 partial products would you add to find 513x46?