Jose had 83.8% in math class. He did not do well on his last test and his grade changed by-1.9%. What is his new grade?

Fractions can be added and subtracted only if they're fractions. a. like b. proper c. improper d. unlike

In the following diagram it is given that dec, ab || dc, ad || eb, and ad is congruent to bc. a)why isn't abc a parallelogram even though it has a pair of parallel sides and a pair of congruent sides b)explain why be must be congruent to bc. further explain what type of triangle this makes triangle abc and what it tells you about angle 1 and angle 2c) finally why must angle 3 be congruent to angle 1? further, explain why we know that angle 3 is congruent to angle 2

How long does it take natsumi to clean up after she is done? table: .area time30. 245. 2.7560. 3.5