Janelle subtracts -4 from a number. the result is 2. what is the number? a) -6

b) -2

c) 2

d) 6

Solve the system. -a+4b+2c=-8 3a+b-4c=9 b=-1 a.(0,11) ,-1,2) c.(1,1,-2) d.(2,-1,-1)

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years