Expand and evaluate the power. (0.4)2 a. 0.16 b. 0.6 c. 0.8 d. 1.6

Factorize: x^2+8x+10 i just solved it but i don't know if the process is correct

It takes jonas 7 1/4 minutes to run the mile. it takes mario 8 5/12 to run the mile. how much faster is jonas than mario? 5/6 minute 1 1/3 minutes 1 1/6 minutes 1 1/2 minutesi will give points and brainlest

Plz ( true - false) all triangles have interior angles whose measure sum to 90.