By using the letters of the word 'RAINBOW', Find how many words begin with R but don't end at W?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2

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

The scatter plot shows the number of animal cells clara examined in a laboratory in different months: plot ordered pairs 1, 20 and 2, 60 and 3,100 and 4, 140 and 5, 180 what is the approximate predicted number of animal cells clara examined in the 9th month?