Nikki is 8 cm shorter than Marissa is 6 cm taller than michelle. the combined height of the three girls i 4.63 m . How tall, in meters, is Michelle? plss answer this​

Which sum or difference identity would you use to verify that cos (180° - ∅) = -cos ∅? a. sin (α -β) = sin α cos β – cos α sin β b. cos (α -β) = cos α cos β – sin α sin β c. cos (α -β) = cos α cos β + sin α sin β d. sin (α + β) = sin α cos β + cos α sin β

1. how do you convert the repeating, nonterminating decimal 0. to a fraction? explain the process as you solve the problem.

Use matrices to solve this linear system: 5x1 − 2x2 = −30 2x1 − x2 = −13 x1 = x2 =