ect answer. 1. Nine multiplied to the sum of twenty five and r. a. 9x20xr b. 9(25+r) c. 9( 25-1) d. 9x 25/r 2. What is the mathematical sentence of ? a. Eight over b b. eight divided by b C. eight times b d. eig 3. What is the algebraic equation of - twice the sum of a number and a. 2xmx6=16 b. 21r + 6)=16 c. 2x2+r+6=16 d. 31r+6)=16 1. What is the variable used in this algebraic expression? 6n+10 a. 6 b.n C. = og er d. 10 lupit bio c. t Which is the constant of this equation? 5t-4n= 35 a. 5,4 b. 35 d. n John Michael's father gave him a cap and P200.00 for his birthday. 3 shirts and P100.00. Give an expression to represent John Michael's a. 1X200+ 3+100 b. y+200+3y+100 C. 200+3x+100 d. 200 Marialyn is y years old now.Represent her age 10 years from now. a. 10+y b. y+10 c. y-10 How will you represent this mathematical nhracao d. 10-y