If a=0.3 and b =0.5, what is the value of a+b?

A .8/10
B. 8/9
C.80/99
D. 88/100

Write the sentence as an equation. 6 fewer than the quantity 140 times j equals 104

5× 1/2 = ? a) more than 5 because you are multiplying by a whole number b) 5/10 because you multiply the numerator and denominator by 5 c) less than 5 because you are multiplying by a number that is more than 1 d) less than 5 because you are multiplying by a number that is less than 1

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*