Elevación de una cometa Un hombre que está en una playa hace volar una cometa. Sostiene el extremo de la cuerda
de la cometa al nivel del suelo y estima que el ángulo de eleva-
ción de la cometa es de 50°. Si la cuerda es de 450 pies de
largo, ja qué altura está la cometa sobre el suelo?

Rewrite the following without an exponent. (5/8)-1

An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.