A girl has 98 beads, and all but 14 were lost. how many beads did she loose?

Simplify the expression 10/11(22z) + (a+5) -1

Ineed to know the ordered pairs for this equation i need the answer quick because it’s a timed test

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%)