What is the value of (-4 - 31)+(-6-90)?
A -10 - 12i
B. -10 + 121
C. -2- 6i
D. -2 + 6

Can someone answer this question for me

Arecipe calls for 1/2 cup of sugar and 3/4 cup of flour. if you have 3 cups of flour and you want to adjust the recipe so you use it all how much sugar do you need?

Azookeeper predicted the weight of a new baby elephant to be 233 pounds when it was born. the elephant actually weighed 265 pounds at birth. what was the percent error of the zookeeper's prediction? asap