In the diagram below of parallelogram STUV, SV = x + 3, VU = 2x - 1, and TU = 4x - 3.

What is the length of SV?

15 points ! ~ see if you know the answer to both you!

Answer asap ill give ! ’ a sample of radioactive material decays over time. the number of grams, y , of the material remaining x days after the sample is discovered is given by the equation y = 10(0.5)^x. what does the number 10 represents in the equation? a. the half-life of the radioactive material, in days b. the amount of the sample, in grams, that decays each day c. the time, in days, it will take for the samples to decay completely d. the size of the sample, in grams, at the time the material was discovered

The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)