The St. Augustine Church will celebrate its Foundation Day. One of the events during The Choir the celebration is a competition of choir. A choir should compose of the following members of each group: Sopranos: 42 + 18; Altos: (25 + 3 x 15) and Tenors: [27 + 42] - 5. How many members of the choir are there? Understand. a. What is asked? b. What are given? Plan. Solve. Check:

answer is 33

step-by-step explanation:

$54.99

step-by-step explanation:

$54.99 includes 500 min. if she does not exceed 500 min then her bill is $54.99

explanation:

infrared radiation has wavelength in the range between 700 nm and 1 mm. lets' convert these values into scientific notation, keeping in mind that:

let's start from the lower value, we have:

(we moved the dot two places to the left, so we increased the exponent by 2 units, from -9 to -7)

the higher value is:

so, the range of wavelength of infrared radiation is:

your answer is b.

x = 33.9

y = 65.6

step-by-step explanation: