Oliver spent last night studying for some of his upcoming tests. He spent 15 minutes studying science, 20 minutes studying math and 10 minutes studying social studies. What was the ratio of the number of minutes spent studying science to the total number of minutes he spent studying last night

What are two numbers that add up to -9 and multiply to -10 best answer gets branliest and 100 extra points

Simplify this expression. 8x 16(x + y)

Match the following reasons with the statements given to create the proof. 1. do = ob, ao = oc sas 2. doc = aob given 3. triangle cod congruent to triangle aob vertical angles are equal. 4. 1 = 2, ab = dc if two sides = and ||, then a parallelogram. 5. ab||dc if alternate interior angles =, then lines parallel. 6. abcd is a parallelogram cpcte