Which number can each term of the equation be multiplied by to eliminate the fractions before solving? -3/4m

Identify the type of observational study described. a statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years. cross-sectional retrospective prospective

Which of the binomials below is a factor of this exression? 16x^2+40xy+25y^2 a.4x-5y b. 2x-5y c.4x+5y d.2x+5y

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cos of 61.6