Simplifica las siguientes expresiones eliminando los símbolos de agrupación y realizando las operaciones indicadas (4w2−3w+7)−(2w2+w−6)−(w2−4w+15)= 4w2−3w+7−2w2+w−6−w2−4w+15=

Evaluate cos2θ for cosθ = square root of 3/2

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .

Savannah had 40 iris blooms last year this year she had 15% more iris blooms how many more hours blooms did savannah have this year