Astudent measures the mass of a sample as 9.67g. calculate the percent error , given that the correct mass is 9.87. show step-by-step calculation.

Drag each sequence of transformations to the correct location on the table. classify the sequences of transformations based on whether or not they prove the congruency of the shapes by mapping shape i onto shape ii. plz i'll rate u 5 stars need this done for a mastery test

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

Evaluate cos2θ for cosθ = square root of 3/2