Application: linear models

jose received $30 for his birthday and put it in his piggy bank. each week, he puts 4 more dollars in his bank. the amount of money in dollars d in his bank is given by d = 4w + 30 where w is the number of weeks he has saved 4 dollars. his sister marisol makes a table of reasonable values for w. marisol selects 16 as a values for w.
what is the corresponding table entry for d?
a.
34
b.
434
c.
50
d.
94

Use addition and subtraction to simplify the following polynomials. a. add polynomials: (3 – 4x + 8x^2) + (–6 + 2x – 5x^2) step 1: rewrite the polynomials without the parentheses. step 2: write the polynomial in descending order and use parentheses around like terms. step 3: add the like terms identified in step 2 to simplify the polynomial. b. subtract polynomials: (3x – 5 – 7x^2) – (–2 + 6x^2 – 5x) step 1: rewrite the polynomials without the parentheses. remember to multiply each term in the second parentheses by –1. show your work. step 2: write the polynomial in descending order and use parentheses around like terms. step 3: add the like terms identified in step 2 to simplify the polynomial.

Carlos spent 1 1/4 hours doing his math homework he spent 1/4 of his time practicing his multiplication facts how many hours to carlos been practicing his multiplication facts

Which expression is equivalent to 16 in exponential form? a) 4 × 4 b) 8 × 2 c) 23 d) 24