En la siguiente imagen un ángulo es 4 veces más grande que el otro, ¿cuánto mide el ángulo mayor?

Will give brainliest sum of arithmetic series (sigma notation) find the numerical answer to the summation given below. (image shown below)

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.