Ihave two

1 what is the fraction for 0.0004

2 what is the decimal for 984-1000

Which equation is y = -6x2 + 3x + 2 rewritten in vertex form?

Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)

Adele is five years older than timothy. in three years, timothy will be 2/3 of adele’s age. what is adele‘s current age?