How to count the number of sevens in the numbers from 1 to 10000000?

A number t multiplied by - 4 is at least - 2/5

What is the place value of the 4 in 475

Target sells 6 pairs of socks for 24.00 what does it cost for 1 pair of socks

Demand The demand function for the product is given by p = 10,000 (1 - 3/3 + e^-0.001x) where p is the price per unit (in dollars) and x is the number of units sold. Find the numbers of units sold for prices of (a) p = $500 and (b) p = $1500.

7 more than d is equal to 19

Given ∠11≅∠13. Which lines, if any, must be parallel based on the given information? Justify your conclusion.

What logarithmic function represents the data in the table? x f (x) 1 0 3 1 9 2

Mrs Parks takes the 9:38am train to the city. The trip takes 3hours and 20 minutes. What time does Mrs Park arrive in the city?

Diana is doing her math homework. Out of 24 problems Total, she completes the first 12 problems in one hour in the last 12 problems in three hours. What is the unit rate for all 24 problems

3^2-2*3+u = (3^3-3*8) (2) + u