Evaluate 12.3s + 11.5t when s = 7 and t = 8

Solve -2(4y + 6) = 52. 5 -5 8 -8 and !

James adds two numbers a + b. sally adds the same two numbers but reverse the order b + a what property of addition assures us that james and sally will get the same sum

Plz.yesterday, the snow was 2 feet deep in front of archie’s house. today, the snow depth dropped to 1.6 feet because the day is so warm. what is the percent change in the depth of the snow?